diff --git a/docs/topics/functions.md b/docs/topics/functions.md
index 817efc2e863..8c6e7c19d74 100644
--- a/docs/topics/functions.md
+++ b/docs/topics/functions.md
@@ -177,7 +177,7 @@ fun printHello(name: String?) { ... }
 
 ### Single-expression functions
 
-When a function returns a single expression, the curly braces can be omitted and the body is specified after a `=` symbol:
+When a function contains a single `return` expression, the curly braces can be omitted and the body is specified after a `=` symbol:
 
 ```kotlin
 fun double(x: Int): Int = x * 2