diff --git a/src/gui/peptide_detail_view/peptidewindow.cpp b/src/gui/peptide_detail_view/peptidewindow.cpp
index 9766023a8367fe237f2417eeccf0e91eb6510aa5..a5a9aaa9f67c9c32e8dbdda25a03937bdd463da7 100644
--- a/src/gui/peptide_detail_view/peptidewindow.cpp
+++ b/src/gui/peptide_detail_view/peptidewindow.cpp
@@ -142,11 +142,11 @@ void PeptideWindow::updateDisplay() {
     }
     catch (pappso::PappsoException exception_pappso) {
         QMessageBox::warning(this,
-                             tr("Unable to display protein details :"), exception_pappso.qwhat());
+                             tr("Unable to display peptide details :"), exception_pappso.qwhat());
     }
     catch (std::exception exception_std) {
         QMessageBox::warning(this,
-                             tr("Unable to display protein details :"), exception_std.what());
+                             tr("Unable to display peptide details :"), exception_std.what());
     }
 
 }