--- a/langs.sty	Sun Oct 01 15:25:22 2023 +0100
+++ b/langs.sty	Mon Oct 02 23:10:56 2023 +0100
@@ -37,7 +37,7 @@
 
 \lstdefinelanguage{Scala}{
   morekeywords={abstract,then,case,catch,class,def,%
-    do,else,enum,extends,false,final,finally,%
+    do,else,enum,extends,extension,false,final,finally,%
     for,given,if,implicit,import,lazy,match,mixin,%
     new,null,object,override,package,%
     private,protected,requires,return,sealed,%