diff --git a/doc/constants.md b/doc/constants.md
index 32188309651..efb903b3f1f 100644
--- a/doc/constants.md
+++ b/doc/constants.md
@@ -4952,7 +4952,7 @@
 
 ### getmercinfo options
 
-- `MERCINFO_ID,`: 0
+- `MERCINFO_ID`: 0
 - `MERCINFO_CLASS`: 1
 - `MERCINFO_NAME`: 2
 - `MERCINFO_FAITH`: 3