Merge pull request #2874 from wcarss/fix-preinstall-msg-grammar

Fix grammar in preinstall message.

Author: kinnison

src/cli/self_update.rs

@@ -153,7 +153,7 @@ home directory, located at:
 
 This can be modified with the RUSTUP_HOME environment variable.
 
-The Cargo home directory located at:
+The Cargo home directory is located at:
 
     {cargo_home}