Clean up E0646

diff --git a/src/librustc_error_codes/error_codes/E0646.md b/src/librustc_error_codes/error_codes/E0646.md
index e01dbae8b906057b932ef35a64f3d9f1e20976f3..1e9ec7d4380adb56050f447f500e56f3a8844b3a 100644 (file)
--- a/src/librustc_error_codes/error_codes/E0646.md
+++ b/src/librustc_error_codes/error_codes/E0646.md
@@ -1,4 +1,5 @@
 It is not possible to define `main` with a where clause.
+
 Erroneous code example:
 
 ```compile_fail,E0646