diff --git a/src/Mod/Sketcher/Gui/CommandConstraints.cpp b/src/Mod/Sketcher/Gui/CommandConstraints.cpp
index e0c9e47ef5..199feab1f1 100644
--- a/src/Mod/Sketcher/Gui/CommandConstraints.cpp
+++ b/src/Mod/Sketcher/Gui/CommandConstraints.cpp
@@ -7131,7 +7131,7 @@ CmdSketcherConstrainSnellsLaw::CmdSketcherConstrainSnellsLaw()
 {
     sAppModule      = "Sketcher";
     sGroup          = "Sketcher";
-    sMenuText       = QT_TR_NOOP("Constrain refraction (Snell's law')");
+    sMenuText       = QT_TR_NOOP("Constrain refraction (Snell's law)");
     sToolTipText    = QT_TR_NOOP("Create a refraction law (Snell's law)"
                                  "constraint between two endpoints of rays\n"
                                  "and an edge as an interface.");