doc: fix header depth of util.isSymbol

PR-URL: #7138 Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net>
nodejs · Jun 15, 2016 · dd4c607 · dd4c607
1 parent 5086e5f
commit dd4c607
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/doc/api/util.md b/doc/api/util.md
@@ -580,7 +580,7 @@ util.isString(5);
   // false
 ```
 
-## util.isSymbol(object)
+### util.isSymbol(object)
 
     Stability: 0 - Deprecated