--- a/QScintilla/Lexers/LexerFortran77.py	Sun Mar 17 14:12:00 2019 +0100
+++ b/QScintilla/Lexers/LexerFortran77.py	Sun Mar 17 18:43:46 2019 +0100
@@ -29,6 +29,12 @@
         Lexer.__init__(self)
         
         self.commentString = "c "
+        
+        self.keywordSetDescriptions = [
+            self.tr("Primary keywords and identifiers"),
+            self.tr("Intrinsic functions"),
+            self.tr("Extended and user defined functions"),
+        ]
     
     def initProperties(self):
         """