Update src/main/java/fr/sandro642/github/enums/LangType.java

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: Sandro642

src/main/java/fr/sandro642/github/enums/LangType.java

@@ -31,7 +31,7 @@ public enum LangType {
 
     /**
      * Get the language code.
-     * @return
+     * @return the language code string
      */
     public String getLang() {
         return lang;