Clean up E0069 long explanation

rust-lang · bors · Nov 27, 2019 · Nov 5, 2019 · Nov 23, 2019 · Nov 23, 2019
commit ef35980ffbdf70870c37b78aa2da1bcf1ee775a2
diff --git a/src/librustc_error_codes/error_codes/E0069.md b/src/librustc_error_codes/error_codes/E0069.md
@@ -1,5 +1,7 @@
 The compiler found a function whose body contains a `return;` statement but
-whose return type is not `()`. An example of this is:
+whose return type is not `()`.
+
+Erroneous code example:
 
 ```compile_fail,E0069
 // error