docs/GettingStarted.html: Fix a typo and tweak a command line.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135632 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/GettingStarted.html b/docs/GettingStarted.html
index d608a13..5465376 100644
--- a/docs/GettingStarted.html
+++ b/docs/GettingStarted.html
@@ -818,7 +818,7 @@
    <tt>git-svn</tt>, run:</p>
 
 <pre>
-git clone http://llvm.org/git/llvm
+git clone http://llvm.org/git/llvm.git
 cd llvm
 git svn init https://llvm.org/svn/llvm-project/llvm/trunk --username=&lt;username>
 git config svn-remote.svn.fetch :refs/remotes/origin/master
@@ -826,7 +826,7 @@
 
 # If you have clang too:
 cd tools
-git clone http://llvm.org/git/clang.git clang
+git clone http://llvm.org/git/clang.git
 cd clang
 git svn init https://llvm.org/svn/llvm-project/cfe/trunk --username=&lt;username>
 git config svn-remote.svn.fetch :refs/remotes/origin/master