diff --git a/src/librustc_error_codes/error_codes/E0746.md b/src/librustc_error_codes/error_codes/E0746.md
index 538c9d720d71..acf369d8e144 100644
--- a/src/librustc_error_codes/error_codes/E0746.md
+++ b/src/librustc_error_codes/error_codes/E0746.md
@@ -12,7 +12,7 @@ impl T for S {
 }
 
 // Having the trait `T` as return type is invalid because bare traits do not
-have a statically known size:
+// have a statically known size:
 fn foo() -> dyn T {
     S(42)
 }