diff --git a/data_structures/skip_list.cpp b/data_structures/skip_list.cpp
index b1b24ea20..39dda5ce6 100644
--- a/data_structures/skip_list.cpp
+++ b/data_structures/skip_list.cpp
@@ -181,7 +181,7 @@ class SkipList {
         }
     }
 
-    /*
+    /**
      * Display skip list level
      */
     void displayList() {