diff --git a/STYLE.md b/STYLE.md
index 5c5711b..4114c49 100644
--- a/STYLE.md
+++ b/STYLE.md
@@ -70,7 +70,7 @@ The length of a function name, variable name, et cetera should be directly propo
 #### Do
 
 - abbreviate extremely short-lived variables to one letter,
-  - e.g. `for (int index = 0, index < 10, i++)` -> `for (int i = 0, i < 10, i++)`
+  - e.g. `for (int index = 0; index < 10; i++)` -> `for (int i = 0; i < 10; i++)`
 - break any rule if following it ruins the readability
 
 ## Source File layout