Resolve "Documentation PDF: erreurs à la compilation"

Closes #656 (closed)

docs/en/calculators/pam/macrorugo_theorie.md

@@ -240,4 +240,4 @@ $$C_f = \frac{2}{(5.1 \mathrm{log} (h/k_s)+6)^2}$$
 
 [^4]: Larinier, Michel, Courret, D., Gomes, P., 2006. Guide technique pour la conception des passes à poissons “naturelles,” Rapport GHAPPE RA. Compagnie Nationale du Rhône / Agence de l’Eau Adour Garonne. http://dx.doi.org/10.13140/RG.2.1.1834.8562
 
-[^5]: Rice C. E., Kadavy K. C., et Robinson K. M., 1998. Roughness of Loose Rock Riprap on Steep Slopes. Journal of Hydraulic Engineering 124, 179‑85. https://doi.org/10.1061/(ASCE)0733-9429(1998)124:2(179)
+[^5]: Rice C. E., Kadavy K. C., et Robinson K. M., 1998. Roughness of Loose Rock Riprap on Steep Slopes. Journal of Hydraulic Engineering 124, 179-85. https://doi.org/10.1061/(ASCE)0733-9429(1998)124:2(179)