diff --git a/ztl-mode.el b/ztl-mode.el
index 90708ae..4a07679 100644
--- a/ztl-mode.el
+++ b/ztl-mode.el
@@ -5,7 +5,7 @@
 (defvar ztl-keywords
   '("fn" "to" "in" "is" "as" "use" "set" "if" "else"
     "for" "loop" "concurrent" "while" "do" "exits" "exit"
-    "return" "const" "type" "this" "panic"
+    "return" "const" "type" "this" "panic" "yield"
     "break" "mod" "not" "and" "or" "print" "let")
   "Keywords in Ztl.")
 
@@ -28,15 +28,15 @@
     ;; Constants
     (,(regexp-opt ztl-constants 'words) . font-lock-constant-face)
 
+    ;; Structs: CamelCase identifiers
+    ("\\b[A-Z][a-zA-Z0-9_]*\\b" . font-lock-type-face)
+
     ;; Function definitions: "fn name(...)"
     ("\\_<fn\\>\\s-+\\(\\w+\\)(" (1 font-lock-function-name-face))
 
     ;; Function calls: "name(...)"
     ("\\_<\\([a-zA-Z_][a-zA-Z0-9_]*\\)\\s-*(" (1 font-lock-function-name-face))
 
-    ;; Structs: CamelCase identifiers
-    ("\\b[A-Z][a-zA-Z0-9_]*\\b" . font-lock-type-face)
-
     ;; Floating point numbers
     ("\\b-?[0-9]+\\.[0-9]+\\b" . font-lock-constant-face)
 
@@ -50,7 +50,6 @@
     ("`[^`]*`" . font-lock-string-face))
 
   "Font lock keywords for Ztl mode.")
-
 (defvar ztl-mode-syntax-table
   (let ((st (make-syntax-table)))
     ;; C++-style comments