fixed parser/braces-in-expressions.rs

Author: spencer3035

Diff for: tests/ui/parser/braces-in-expressions.rs

@@ -1,7 +1,7 @@
-//! Regression test for ensuring that the order of operations are preserved for various different
-//! bracket combinations
+//! Regression test for ensuring that operator precedence is correctly handled in the presence of
+//! braces
 //!
-//! Issue: https://github.com/rust-lang/rust/issues/28777
+//! Issue: <https://github.com/rust-lang/rust/issues/28777>
 
 //@ run-pass