Update comments based on feedback

Author: pmnoxx

clippy_lints/src/methods/iter_overeager_cloned.rs

@@ -9,15 +9,15 @@ use rustc_span::sym;
 use super::ITER_OVEREAGER_CLONED;
 use crate::redundant_clone::REDUNDANT_CLONE;
 
-/// lint use of `cloned().<func>()` for `Iterators`
+/// lint overeager use of `cloned()` for `Iterator`s
 pub(super) fn check<'tcx>(
     cx: &LateContext<'tcx>,
     expr: &'tcx hir::Expr<'_>,
     recv: &'tcx hir::Expr<'_>,
     name: &str,
     map_arg: &[hir::Expr<'_>],
 ) {
-    // lint if caller of `.cloned().<func>()` is an Iterator
+    // lint if callee is an Iterator
     let recv_impls_iterator = cx.tcx.get_diagnostic_item(sym::Iterator).map_or(false, |id| {
         implements_trait(cx, cx.typeck_results().expr_ty(recv), id, &[])
     });