Update compiler/rustc_lint/src/lifetime_style.rs

Co-authored-by: Travis Cross <[email protected]>

Author: shepmaster

compiler/rustc_lint/src/lifetime_style.rs

@@ -142,7 +142,7 @@ fn report_mismatches<'tcx>(
                     // Ignore any other kind of lifetime
                     (_, Other) => continue,
 
-                    // e.g. `&T`
+                    // E.g. `&T`.
                     (Implicit, Reference | OutlivesBound | PreciseCapturing) |
                     // e.g. `&'_ T`
                     (ExplicitAnonymous, Reference | OutlivesBound | PreciseCapturing) |