Update clippy_lints/src/manual_ignore_case_cmp.rs

Co-authored-by: Fridtjof Stoldt <xFrednet@gmail.com>

Author: nyurik

clippy_lints/src/manual_ignore_case_cmp.rs

@@ -109,7 +109,7 @@ impl LateLintPass<'_> for ManualIgnoreCaseCmp {
                 cx,
                 MANUAL_IGNORE_CASE_CMP,
                 expr.span,
-                "manually doing case-insensitive ASCII comparison",
+                "manual case-insensitive ASCII comparison",
                 |diag| {
                     diag.span_suggestion_verbose(
                         expr.span,