Clean up E0452 explanation

diff --git a/src/librustc_error_codes/error_codes/E0452.md b/src/librustc_error_codes/error_codes/E0452.md
index be3d573e10d2d9f4857f8860b622bb64d1ee87d9..429813a7cdd4ede67132e041df72ad0c4d0cb5ef 100644 (file)
--- a/src/librustc_error_codes/error_codes/E0452.md
+++ b/src/librustc_error_codes/error_codes/E0452.md
@@ -1,4 +1,6 @@
-An invalid lint attribute has been given. Erroneous code example:
+An invalid lint attribute has been given.
+
+Erroneous code example:
 
 ```compile_fail,E0452
 #![allow(foo = "")] // error: malformed lint attribute