Implements #1

src/main/java/net/knarcraft/placeholdersigns/config/PlaceholderSignMessage.java

@@ -67,6 +67,16 @@ public enum PlaceholderSignMessage implements TranslatableMessage {
      * The message displayed when a sign has been successfully un-waxed
      */
     SUCCESS_SIGN_UN_WAXED,
+
+    /**
+     * The message displayed when the player isn't looking at a placeholder sign when required
+     */
+    ERROR_NOT_LOOKING_AT_PLACEHOLDER_SIGN,
+
+    /**
+     * The message displayed when a placeholder sign update delay has been changed
+     */
+    SUCCESS_UPDATE_DELAY_CHANGED,
     ;
 
     @Override