diff --git a/docs/docs/language_concepts/02_control_flow.md b/docs/docs/language_concepts/02_control_flow.md
index a7f85360197..71a2f15696c 100644
--- a/docs/docs/language_concepts/02_control_flow.md
+++ b/docs/docs/language_concepts/02_control_flow.md
@@ -19,7 +19,7 @@ for i in 0..10 {
 };
 ```
 
-The index for loops is of type `u64`.
+The index for loops is of type `field`.
 
 ## If Expressions