diff --git a/commands.md b/commands.md
index 79adb18..e1c2abf 100644
--- a/commands.md
+++ b/commands.md
@@ -249,7 +249,7 @@ FUNC name ( in:x out:y io:z )          # direction with pre-declared (legacy)
 **Examples:**
 ```
 // Modern: self-contained function with local parameters
-FUNC add({BYTE a} {BYTE b} {BYTE result})
+FUNC add({BYTE a} {BYTE b} out:{BYTE result})
     result = a + b
 FEND