diff --git a/docs-fr/calculators/hsl/var_hydrauliques.md b/docs-fr/calculators/hsl/var_hydrauliques.md
index 541e313825af588980cadda1c9cab0617dc283c2..12b66c6fa67427117af3734c3f56c817ee68f53e 100644
--- a/docs-fr/calculators/hsl/var_hydrauliques.md
+++ b/docs-fr/calculators/hsl/var_hydrauliques.md
@@ -117,11 +117,9 @@ avec :
  * \(f(h_k) = \dfrac{Q^2 B}{g S^3} - 1\)
  * \(f'(h_k) = \dfrac{Q^2}{g} \dfrac{B'.S - 3 B S'}{S^4}\)
 
-## Tirant d'eau fluvial Yf
+## Tirant d'eau correspondant Ycor
 
-## Tirant d'eau torrentiel Yt
-
-## Tirant d'eau conjugué Yco
+## Tirant d'eau conjugué Ycon
 
 ## Charge spécifique Hs
 
diff --git a/src/app/calculators/remous/remous.config.json b/src/app/calculators/remous/remous.config.json
index a25896299a1b76c38fae764f0bea9537c1335552..2e0c26fc12efa3f382c2b77e0b16c9cc1bee0752 100644
--- a/src/app/calculators/remous/remous.config.json
+++ b/src/app/calculators/remous/remous.config.json
@@ -64,7 +64,25 @@
             {
                 "id": "select_target",
                 "type": "select",
-                "source": "remous_target"
+                "source": "remous_target",
+                "help": {
+                    "B": "hsl/var_hydrauliques.html#largeur-au-miroir-b",
+                    "P": "hsl/var_hydrauliques.html#perimetre-mouille-p",
+                    "S": "hsl/var_hydrauliques.html#surface-mouillee-s",
+                    "R": "hsl/var_hydrauliques.html#rayon-hydraulique-r",
+                    "Fr": "hsl/var_hydrauliques.html#froude-fr",
+                    "V": "hsl/var_hydrauliques.html#vitesse-moyenne-v",
+                    "Yn": "hsl/var_hydrauliques.html#tirant-deau-normal-yn",
+                    "Yc": "hsl/var_hydrauliques.html#tirant-deau-critique-yc",
+                    "Ycor": "hsl/var_hydrauliques.html#tirant-deau-correspondant-ycor",
+                    "Ycon": "hsl/var_hydrauliques.html#tirant-deau-conjugue-ycon",
+                    "Hs": "hsl/var_hydrauliques.html#charge-specifique-hs",
+                    "Hsc": "hsl/var_hydrauliques.html#charge-critique-hsc",
+                    "J": "hsl/var_hydrauliques.html#perte-de-charge-j",
+                    "I-J": "hsl/var_hydrauliques.html#variation-lineaire-de-lenergie-specifique-i-j",
+                    "Imp": "hsl/var_hydrauliques.html#impulsion-imp",
+                    "Tau0": "hsl/var_hydrauliques.html#force-tractrice-tau0"
+                }
             }
         ]
     },
@@ -84,9 +102,8 @@
             "V": "hsl/var_hydrauliques.html#vitesse-moyenne-v",
             "Yn": "hsl/var_hydrauliques.html#tirant-deau-normal-yn",
             "Yc": "hsl/var_hydrauliques.html#tirant-deau-critique-yc",
-            "Yt": "hsl/var_hydrauliques.html#tirant-deau-torrentiel-yt",
-            "Yf": "hsl/var_hydrauliques.html#tirant-deau-fluvial-yf",
-            "Yco": "hsl/var_hydrauliques.html#tirant-deau-conjugue-yco",
+            "Ycor": "hsl/var_hydrauliques.html#tirant-deau-correspondant-ycor",
+            "Ycon": "hsl/var_hydrauliques.html#tirant-deau-conjugue-ycon",
             "Hs": "hsl/var_hydrauliques.html#charge-specifique-hs",
             "Hsc": "hsl/var_hydrauliques.html#charge-critique-hsc",
             "J": "hsl/var_hydrauliques.html#perte-de-charge-j",
diff --git a/src/app/calculators/remous/remous.en.json b/src/app/calculators/remous/remous.en.json
index 50fdee8033582b974630815c7635f861f09f9e7e..fadadf72f0ebf7c16258cb8e2725e3394c9abd4e 100644
--- a/src/app/calculators/remous/remous.en.json
+++ b/src/app/calculators/remous/remous.en.json
@@ -34,9 +34,8 @@
     "UNIT_P": "m",
     "UNIT_R": "m",
     "UNIT_V": "m/s",
-    "UNIT_YF": "m",
-    "UNIT_YT": "m",
-    "UNIT_YCO": "m",
+    "UNIT_YCOR": "m",
+    "UNIT_YCON": "m",
     "UNIT_J": "m",
     "UNIT_I-J": "m/m",
     "UNIT_IMP": "N",
@@ -59,9 +58,8 @@
     "select_target_Fr": "Froude number",
     "select_target_Yc": "Critical depth (m)",
     "select_target_Yn": "Normal depth (m)",
-    "select_target_Yf": "Subcritical depth (m)",
-    "select_target_Yt": "Supercritical depth (m)",
-    "select_target_Yco": "Conjugate depth (m)",
+    "select_target_Ycor": "Corresponding depth (m)",
+    "select_target_Ycon": "Conjugate depth (m)",
     "select_target_J": "Head loss (m)",
     "select_target_I-J": "Linear variation of specific head (m/m)",
     "select_target_Imp": "Impulse (N)",
diff --git a/src/app/calculators/remous/remous.fr.json b/src/app/calculators/remous/remous.fr.json
index ca462267a5421ce964fc34b5b89f60cece25cb36..ed9116978b353c4e710cc629faaa181fda1e5593 100644
--- a/src/app/calculators/remous/remous.fr.json
+++ b/src/app/calculators/remous/remous.fr.json
@@ -33,9 +33,8 @@
     "UNIT_P": "m",
     "UNIT_R": "m",
     "UNIT_V": "m/s",
-    "UNIT_YF": "m",
-    "UNIT_YT": "m",
-    "UNIT_YCO": "m",
+    "UNIT_YCOR": "m",
+    "UNIT_YCON": "m",
     "UNIT_J": "m",
     "UNIT_I-J": "m/m",
     "UNIT_IMP": "N",
@@ -58,11 +57,10 @@
     "select_target_Fr": "Le Froude",
     "select_target_Yc": "Le tirant d'eau critique (m)",
     "select_target_Yn": "Le tirant d'eau normal (m)",
-    "select_target_Yf": "Le tirant d'eau fluvial (m)",
-    "select_target_Yt": "Le tirant d'eau torrentiel (m)",
-    "select_target_Yco": "Le tirant d'eau conjugué (m)",
+    "select_target_Ycor": "Le tirant d'eau correspondant (m)",
+    "select_target_Ycon": "Le tirant d'eau conjugué (m)",
     "select_target_J": "La perte de charge (m)",
-    "select_target_I-J": "Variation linéaire de l'énergie spécifique (m/m)",
-    "select_target_Imp": "Impulsion (N)",
+    "select_target_I-J": "La variation linéaire de l'énergie spécifique (m/m)",
+    "select_target_Imp": "L'impulsion (N)",
     "select_target_Tau0": "La force tractrice (Pa)"
 }
\ No newline at end of file
diff --git a/src/app/calculators/section-param/section-param.config.json b/src/app/calculators/section-param/section-param.config.json
index 22f01c5c91aa9a5bfebe90cb22b9ca936afa08df..9f5c2279465951e24b7f3d81d10af4c85dcf31cf 100644
--- a/src/app/calculators/section-param/section-param.config.json
+++ b/src/app/calculators/section-param/section-param.config.json
@@ -53,9 +53,8 @@
             "V": "hsl/var_hydrauliques.html#vitesse-moyenne-v",
             "Yn": "hsl/var_hydrauliques.html#tirant-deau-normal-yn",
             "Yc": "hsl/var_hydrauliques.html#tirant-deau-critique-yc",
-            "Yt": "hsl/var_hydrauliques.html#tirant-deau-torrentiel-yt",
-            "Yf": "hsl/var_hydrauliques.html#tirant-deau-fluvial-yf",
-            "Yco": "hsl/var_hydrauliques.html#tirant-deau-conjugue-yco",
+            "Ycor": "hsl/var_hydrauliques.html#tirant-deau-correspondant-ycor",
+            "Ycon": "hsl/var_hydrauliques.html#tirant-deau-conjugue-ycon",
             "Hs": "hsl/var_hydrauliques.html#charge-specifique-hs",
             "Hsc": "hsl/var_hydrauliques.html#charge-critique-hsc",
             "J": "hsl/var_hydrauliques.html#perte-de-charge-j",
diff --git a/src/app/calculators/section-param/section-param.en.json b/src/app/calculators/section-param/section-param.en.json
index da77bfab828897c2b9fcb171757788a5c0a81758..09723fabfc1197facf051bcd018377a3f9fc6b49 100644
--- a/src/app/calculators/section-param/section-param.en.json
+++ b/src/app/calculators/section-param/section-param.en.json
@@ -20,23 +20,22 @@
     "Q": "Flow",
     "Y": "Draft",
     "fs_param_calc": "Calculation parameters",
-    "Hs": "Charge spécifique",
-    "Hsc": "Charge critique",
-    "B": "Largeur au miroir",
-    "P": "Périmètre mouillé",
-    "S": "Surface mouillée",
-    "R": "Rayon hydraulique",
-    "V": "Vitesse moyenne",
+    "Hs": "Specific cahrge",
+    "Hsc": "Critical charge",
+    "B": "Width at mirror",
+    "P": "Wet perimeter",
+    "S": "Wet surface",
+    "R": "Hydraulic radius",
+    "V": "Average speed",
     "Fr": "Froude",
-    "Yc": "Tirant d'eau critique",
-    "Yn": "Tirant d'eau normal",
-    "Yf": "Tirant d'eau fluvial",
-    "Yt": "Tirant d'eau torrentiel",
-    "Yco": "Tirant d'eau conjugué",
-    "J": "Perte de charge",
-    "I-J": "Variation linéaire de l'énergie spécifique",
-    "Imp": "Impulsion",
-    "Tau0": "Force tractrice",
+    "Yc": "Critical depth",
+    "Yn": "Normal depth",
+    "Ycor": "Corresponding depth",
+    "Ycon": "Conjugate depth",
+    "J": "Loss of charge",
+    "I-J": "Linear variation of specific energy",
+    "Imp": "Impulse",
+    "Tau0": "Tractive force",
     "UNIT_B": "m",
     "UNIT_HS": "m",
     "UNIT_HSC": "m",
@@ -49,8 +48,7 @@
     "UNIT_TAU0": "Pa",
 	"UNIT_V": "m/s",
     "UNIT_YC": "m",
-    "UNIT_YCO": "m",
-    "UNIT_YF": "m",
-    "UNIT_YN": "m",
-    "UNIT_YT": "m"
+    "UNIT_YCON": "m",
+    "UNIT_YCOR": "m",
+    "UNIT_YN": "m"
 }
diff --git a/src/app/calculators/section-param/section-param.fr.json b/src/app/calculators/section-param/section-param.fr.json
index 0de692fe988338066dfee455ce09a56a4eb77528..c9065310f644a2ea11721e28bec94af8a7fac6dc 100644
--- a/src/app/calculators/section-param/section-param.fr.json
+++ b/src/app/calculators/section-param/section-param.fr.json
@@ -29,9 +29,8 @@
     "Fr": "Froude",
     "Yc": "Tirant d'eau critique",
     "Yn": "Tirant d'eau normal",
-    "Yf": "Tirant d'eau fluvial",
-    "Yt": "Tirant d'eau torrentiel",
-    "Yco": "Tirant d'eau conjugué",
+    "Ycor": "Tirant d'eau correspondant",
+    "Ycon": "Tirant d'eau conjugué",
     "J": "Perte de charge",
     "I-J": "Variation linéaire de l'énergie spécifique",
     "Imp": "Impulsion",
@@ -48,8 +47,7 @@
     "UNIT_TAU0": "Pa",
 	"UNIT_V": "m/s",
     "UNIT_YC": "m",
-    "UNIT_YCO": "m",
-    "UNIT_YF": "m",
-    "UNIT_YN": "m",
-    "UNIT_YT": "m"
+    "UNIT_YCON": "m",
+    "UNIT_YCOR": "m",
+    "UNIT_YN": "m"
 }
diff --git a/src/app/components/remous-results/remous-results.component.ts b/src/app/components/remous-results/remous-results.component.ts
index f7a0be85dd476940d2979a06fe494754b7eed246..bed67125d94dd8488c4e38f4d71075618a553633 100644
--- a/src/app/components/remous-results/remous-results.component.ts
+++ b/src/app/components/remous-results/remous-results.component.ts
@@ -207,7 +207,7 @@ export class RemousResultsComponent extends ResultsComponent implements DoCheck
     public graph1_options = {};
 
     /*
-    * config du graphe secondaire (paramètre supplémentaire sauf Hs, Hsc, Yf, Yt, Yco)
+    * config du graphe secondaire (paramètre supplémentaire sauf Hs, Hsc, Ycor, Ycon)
     */
     public graph2_type = "line";
     public graph2_data = {};
diff --git a/src/app/components/section-results/section-results.component.ts b/src/app/components/section-results/section-results.component.ts
index 57215b164a302cf3e6c9a1c57acb8ecdee3edc47..854b2e273612687268e43478fd876e9aedb8e215 100644
--- a/src/app/components/section-results/section-results.component.ts
+++ b/src/app/components/section-results/section-results.component.ts
@@ -50,10 +50,9 @@ export class SectionResultsComponent extends ResultsComponent implements DoCheck
         "Hs": { r: 255, g: 0, b: 0 },
         "Hsc": { r: 0, g: 0, b: 255 },
         "Yn": { r: 16, g: 128, b: 16 },
-        "Yf": { r: 128, g: 128, b: 128 },
-        "Yt": { r: 0, g: 0, b: 0 },
+        "Ycor": { r: 128, g: 128, b: 128 },
         "Yc": { r: 255, g: 128, b: 0 },
-        "Yco": { r: 255, g: 0, b: 255 },
+        "Ycon": { r: 255, g: 0, b: 255 },
     };
 
     /** hardcoded bullet-proof default canvas size **/
diff --git a/src/app/formulaire/definition/form-compute-courbe-remous.ts b/src/app/formulaire/definition/form-compute-courbe-remous.ts
index 230beaf55e9de9e1024c393e9a1adbcaf3d65bf1..2491a2683b2a8a97f8b522e7396ed9d7606b22d1 100644
--- a/src/app/formulaire/definition/form-compute-courbe-remous.ts
+++ b/src/app/formulaire/definition/form-compute-courbe-remous.ts
@@ -46,7 +46,7 @@ export class FormComputeCourbeRemous extends FormCompute {
         this.remousResults.hauteurNormale = this.resultYn.resultElement;
         this.remousResults.hauteurCritique = this.resultYc.resultElement;
         if (this.remousResults.extraParamSymbol) {
-            this.remousResults.extraChart = ["Hs", "Hsc", "Yf", "Yt", "Yco"].indexOf(this.remousResults.extraParamSymbol) === -1;
+            this.remousResults.extraChart = ! ["Hs", "Hsc", "Ycor", "Ycon"].includes(this.remousResults.extraParamSymbol);
         } else {
             this.remousResults.extraChart = false;
         }
diff --git a/src/locale/messages.en.json b/src/locale/messages.en.json
index e070884ccae338df6857985c674090c356ffb0fc..9e11bf181847bb5f14b4bec7979d25d67fb79fea 100644
--- a/src/locale/messages.en.json
+++ b/src/locale/messages.en.json
@@ -45,9 +45,8 @@
     "ERROR_REMOUS_PENTE_FORTE": "The water line slope is too steep at abscissa %x% m (the discretisation step should be reduced)",
     "ERROR_SECTION_NON_CONVERGENCE_NEWTON_HCONJUG": "Non-convergence of the calculation of the combined depth (Newton's method)",
     "ERROR_SECTION_NON_CONVERGENCE_NEWTON_HCRITIQUE": "Non-convergence of the calculation of the critical depth (Newton's method)",
-    "ERROR_SECTION_NON_CONVERGENCE_NEWTON_HFLU": "Non convergence of the calculation of the corresponding elevation (Newton's method) for the calculation of the subcritical depth",
+    "ERROR_SECTION_NON_CONVERGENCE_NEWTON_HCOR": "Non convergence of the calculation of the corresponding elevation (Newton's method)",
     "ERROR_SECTION_NON_CONVERGENCE_NEWTON_HNORMALE": "Non convergence of the calculation of the normal depth (Newton's method)",
-    "ERROR_SECTION_NON_CONVERGENCE_NEWTON_HTOR": "Non convergence of the calculation of the corresponding height (Newton's method) for the calculation of the supercritical depth",
     "ERROR_SECTION_PENTE_NEG_NULLE_HNORMALE_INF": "The slope is negative or zero, the normal depth is infinite",
     "ERROR_STRUCTURE_Q_TROP_ELEVE": "The flow passing through the other devices is too high: the requested parameter is not calculable.",
     "INFO_CALCULATOR_CALC_NAME": "Calculator name",
@@ -253,11 +252,10 @@
     "INFO_LIB_VMAX": "Maximal speed",
     "INFO_LIB_W": "Gate opening",
     "INFO_LIB_YC": "Critical depth",
-    "INFO_LIB_YCO": "Conjugate depth",
-    "INFO_LIB_YF": "Subcritical depth",
+    "INFO_LIB_YCON": "Conjugate depth",
+    "INFO_LIB_YCOR": "Corresponding depth",
     "INFO_LIB_YMOY": "Average depth",
     "INFO_LIB_YN": "Normal depth",
-    "INFO_LIB_YT": "Supercritical depth",
     "INFO_LIB_Z": "Water level",
     "INFO_LIB_Z1": "Upstream water level",
     "INFO_LIB_Z2": "Downstream water level",
diff --git a/src/locale/messages.fr.json b/src/locale/messages.fr.json
index 7f78962c3eef18b00b3c8c528716b2a0eb2b943f..56324143c725e03322a2ee308787071667c66397 100644
--- a/src/locale/messages.fr.json
+++ b/src/locale/messages.fr.json
@@ -45,9 +45,8 @@
     "ERROR_REMOUS_PENTE_FORTE": "La pente de la ligne d'eau est trop forte à l'abscisse %x% m (il faudrait réduire le pas de discrétisation)",
     "ERROR_SECTION_NON_CONVERGENCE_NEWTON_HCONJUG": "Non convergence du calcul de la hauteur conjuguée (Méthode de Newton)",
     "ERROR_SECTION_NON_CONVERGENCE_NEWTON_HCRITIQUE": "Non convergence du calcul de la hauteur critique (Méthode de Newton)",
-    "ERROR_SECTION_NON_CONVERGENCE_NEWTON_HFLU": "Non convergence du calcul de la hauteur correspondante (Méthode de Newton) pour le calcul de la hauteur fluviale",
+    "ERROR_SECTION_NON_CONVERGENCE_NEWTON_HCOR": "Non convergence du calcul de la hauteur correspondante (Méthode de Newton)",
     "ERROR_SECTION_NON_CONVERGENCE_NEWTON_HNORMALE": "Non convergence du calcul de la hauteur normale (Méthode de Newton)",
-    "ERROR_SECTION_NON_CONVERGENCE_NEWTON_HTOR": "Non convergence du calcul de la hauteur correspondante (Méthode de Newton) pour le calcul de la hauteur torrentielle",
     "ERROR_SECTION_PENTE_NEG_NULLE_HNORMALE_INF": "La pente est négative ou nulle, la hauteur normale est infinie",
     "ERROR_STRUCTURE_Q_TROP_ELEVE": "Le débit passant par les autres ouvrages est trop élevé: le paramètre demandé n'est pas calculable.",
     "INFO_CALCULATOR_CALC_NAME": "Nom du module de calcul",
@@ -252,11 +251,10 @@
     "INFO_LIB_VMAX": "Vitesse maximale",
     "INFO_LIB_W": "Ouverture de vanne",
     "INFO_LIB_YC": "Tirant d'eau critique",
-    "INFO_LIB_YCO": "Tirant d'eau conjugué",
-    "INFO_LIB_YF": "Tirant d'eau fluvial",
+    "INFO_LIB_YCON": "Tirant d'eau conjugué",
+    "INFO_LIB_YCOR": "Tirant d'eau correspondant",
     "INFO_LIB_YMOY": "Tirant d'eau moyen",
     "INFO_LIB_YN": "Tirant d'eau normal",
-    "INFO_LIB_YT": "Tirant d'eau torrentiel",
     "INFO_LIB_Z": "Niveau d'eau",
     "INFO_LIB_Z1": "Cote de l'eau amont",
     "INFO_LIB_Z2": "Cote de l'eau aval",