Rollup merge of rust-lang#73543 - GuillaumeGomez:cleanup-e0695, r=Dylan-DPC

Clean up E0695 explanation

r? @Dylan-DPC

Author: RalfJung

src/librustc_error_codes/error_codes/E0695.md

@@ -1,6 +1,6 @@
 A `break` statement without a label appeared inside a labeled block.
 
-Example of erroneous code:
+Erroneous code example:
 
 ```compile_fail,E0695
 # #![feature(label_break_value)]