diff --git a/src/insets/InsetSpace.cpp b/src/insets/InsetSpace.cpp
index c4827d28ce..8360d8857d 100644
--- a/src/insets/InsetSpace.cpp
+++ b/src/insets/InsetSpace.cpp
@@ -99,7 +99,7 @@ docstring InsetSpace::toolTip(BufferView const &, int, int) const
 		message = _("Negative Thin Space");
 		break;
 	case InsetSpaceParams::NEGMEDIUM:
-		message = _("Negative Mwedium Space");
+		message = _("Negative Medium Space");
 		break;
 	case InsetSpaceParams::NEGTHICK:
 		message = _("Negative Thick Space");