diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/Messages.properties b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/Messages.properties
index dd9fc9256bc..a27e2df95df 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/Messages.properties
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/Messages.properties
@@ -26,7 +26,7 @@ CreateFileChange_UnknownLoc=Unknown location: {0}
 CreateFileChange_FileExists=File already exists: {0}
 CRefactoring_FileNotFound=The file {0} is not on the build path of a C/C++ project.
 CRefactoring_checking_final_conditions=Checking preconditions...
-CRefactoringDescriptor_unknown_project=Project ''{0}'' does not exist of is not a C/C++ project.
+CRefactoringDescriptor_unknown_project=Project ''{0}'' does not exist or is not a C/C++ project.
 CRefactoringDescriptor_illegal_selection=Illegal selection.
 Refactoring_SelectionNotValid=Selection is not valid.
 Refactoring_CantLoadTU=Can not load translation unit.