diff --git a/tools/lib/python/kdoc/kdoc_parser.py b/tools/lib/python/kdoc/kdoc_parser.py
index 884f42584667..9cba20f827c4 100644
--- a/tools/lib/python/kdoc/kdoc_parser.py
+++ b/tools/lib/python/kdoc/kdoc_parser.py
@@ -601,7 +601,8 @@ class KernelDoc:
         if not suggestions:
             return ""
 
-        return f"(did you mean one of: '{"', '".join(suggestions)}')"
+        joined_suggestions = "', '".join(suggestions)
+        return f"(did you mean one of: '{joined_suggestions}')"
 
     def check_sections(self, ln, decl_name, decl_type):
         """