diff --git a/developers/smart-contracts/error-codes.md b/developers/smart-contracts/error-codes.md
index bc651d4..dc7b778 100644
--- a/developers/smart-contracts/error-codes.md
+++ b/developers/smart-contracts/error-codes.md
@@ -6,7 +6,7 @@ General error starts with 1000.
 
 | Error | Code | Description |
 | :--- | :---: | :---: |
-| authorisation-err | 1000 | Unauthorised access |
+| not-authorized-err | 1000 | Unauthorised access |
 | internal-function-call-err | 1001 | function call error in the same contract |
 
 ## Pool Error