diff --git a/keywords.txt b/keywords.txt
index 6134bb96..d05cd39a 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -109,8 +109,6 @@ getNumBytes	KEYWORD2
 # Constants (LITERAL1)
 #######################################
 
-ITA2	LITERAL1
-
 ERR_NONE	LITERAL1
 ERR_UNKNOWN	LITERAL1
 
@@ -160,3 +158,9 @@ ERR_CMD_MODE_FAILED	LITERAL1
 ERR_FRAME_MALFORMED	LITERAL1
 ERR_FRAME_INCORRECT_CHECKSUM	LITERAL1
 ERR_FRAME_UNEXPECTED_ID	LITERAL1
+
+ASCII	LITERAL1
+ASCII_EXTENDED	LITERAL1
+ITA2	LITERAL1
+ERR_INVALID_RTTY_SHIFT	LITERAL1
+ERR_UNSUPPORTED_ENCODING	LITERAL1