Merge pull request #2995 from reujab/master

Removed colon in documentation

Author: Manishearth

clippy_lints/src/methods.rs

@@ -383,7 +383,7 @@ declare_clippy_lint! {
 /// (`Rc`, `Arc`, `rc::Weak`, or `sync::Weak`), and suggests calling Clone via unified
 /// function syntax instead (e.g. `Rc::clone(foo)`).
 ///
-/// **Why is this bad?**: Calling '.clone()' on an Rc, Arc, or Weak
+/// **Why is this bad?** Calling '.clone()' on an Rc, Arc, or Weak
 /// can obscure the fact that only the pointer is being cloned, not the underlying
 /// data.
 ///