Merge pull request #424 from emlun/fix-doc-errors

Fix copypaste oopsies in Reference doc comments

Author: ehuss

src/reference.rs

@@ -180,15 +180,15 @@ impl<'repo> Reference<'repo> {
     /// Peel a reference to a commit
     ///
     /// This method recursively peels the reference until it reaches
-    /// a blob.
+    /// a commit.
     pub fn peel_to_commit(&self) -> Result<Commit<'repo>, Error> {
         Ok(try!(self.peel(ObjectType::Commit)).cast_or_panic(ObjectType::Commit))
     }
 
     /// Peel a reference to a tree
     ///
     /// This method recursively peels the reference until it reaches
-    /// a blob.
+    /// a tree.
     pub fn peel_to_tree(&self) -> Result<Tree<'repo>, Error> {
         Ok(try!(self.peel(ObjectType::Tree)).cast_or_panic(ObjectType::Tree))
     }