Fix typo

README.md

@@ -42,13 +42,13 @@ let me fix it because I was found out!" message.
 ---------------
 
 To get started with OMNI sources to build TWRP, you'll need to get
-familiar with [Git and Repo](http://source.android.com/download/using-repo).
+familiar with [Git and Repo](https://source.android.com/source/using-repo.html).
 
 To initialize your local repository using the OMNIROM trees to build TWRP, use a command like this:
 
     repo init -u git://github.com/lj50036/platform_manifest_twrp_omni.git -b twrp-6.0
     
-To initialize a shallow clone, whcih will save even more space, use a command like this:
+To initialize a shallow clone, which will save even more space, use a command like this:
 
     repo init --depth=1 -u git://github.com/lj50036/platform_manifest_twrp_omni.git -b twrp-6.0