diff --git a/libraries/ArduinoOTA/keywords.txt b/libraries/ArduinoOTA/keywords.txt
index e9f51798e..1c14d9e89 100644
--- a/libraries/ArduinoOTA/keywords.txt
+++ b/libraries/ArduinoOTA/keywords.txt
@@ -15,10 +15,10 @@ ArduinoOTA	KEYWORD1
 begin	KEYWORD2
 setup	KEYWORD2
 handle	KEYWORD2
-onStart KEYWORD2
-onEnd   KEYWORD2
-onError KEYWORD2
-onProgress KEYWORD2
+onStart	KEYWORD2
+onEnd	KEYWORD2
+onError	KEYWORD2
+onProgress	KEYWORD2
 
 #######################################
 # Constants (LITERAL1)