diff --git a/highlights.scm b/highlights.scm
index d7f8107..9df1dda 100644
--- a/highlights.scm
+++ b/highlights.scm
@@ -1,5 +1,7 @@
 (comment) @commenqt
 (operator) @operator
+(identifier) @identifier
 (integer) @number
 (string) @string
-(macro) @function.builtin
+(tool) @function.builtin
+(float) @float