diff --git a/docs/usage/actions/variables.md b/docs/usage/actions/variables.md
index f116bffd..c389f570 100644
--- a/docs/usage/actions/variables.md
+++ b/docs/usage/actions/variables.md
@@ -19,7 +19,7 @@ The following rules apply to variable names:
 - Variable names must not start with a number.
 - Variable names are case-insensitive.
 - Variable names must be unique at the level they are created at.
-- Variable names must not be `CI`.
+- Variable names must not start with `CI`.
 
 ## Using variable