Fix two typos

clippy_lints/src/copies.rs

@@ -170,7 +170,7 @@ fn lint_same_cond(cx: &LateContext, conds: &[&Expr]) {
     }
 }
 
-/// Implementation if `MATCH_SAME_ARMS`.
+/// Implementation of `MATCH_SAME_ARMS`.
 fn lint_match_arms(cx: &LateContext, expr: &Expr) {
     if let ExprMatch(_, ref arms, MatchSource::Normal) = expr.node {
         let hash = |&(_, arm): &(usize, &Arm)| -> u64 {

clippy_lints/src/shadow.rs

@@ -55,7 +55,7 @@ declare_clippy_lint! {
 /// **Why is this bad?** Name shadowing can hurt readability, especially in
 /// large code bases, because it is easy to lose track of the active binding at
 /// any place in the code. This can be alleviated by either giving more specific
-/// names to bindings ore introducing more scopes to contain the bindings.
+/// names to bindings or introducing more scopes to contain the bindings.
 ///
 /// **Known problems:** This lint, as the other shadowing related lints,
 /// currently only catches very simple patterns.