diff --git a/src/librustc_error_codes/error_codes/E0569.md b/src/librustc_error_codes/error_codes/E0569.md
index 4cba0cf9c96ba..2ca2b57ecace5 100644
--- a/src/librustc_error_codes/error_codes/E0569.md
+++ b/src/librustc_error_codes/error_codes/E0569.md
@@ -1,5 +1,5 @@
 If an impl has a generic parameter with the `#[may_dangle]` attribute, then
-that impl must be declared as an `unsafe impl.
+that impl must be declared as an `unsafe impl`.
 
 Erroneous code example: