Docs: Finish clarifying AOSP build instructions

Bug: 19007649
Change-Id: I635f25c37bc1480cbdbd0ef075a2ee3ea4a5cb12
diff --git a/src/source/initializing.jd b/src/source/initializing.jd
index 9c7d5f6..010f32a 100644
--- a/src/source/initializing.jd
+++ b/src/source/initializing.jd
@@ -232,7 +232,7 @@
 function mountAndroid { hdiutil attach ~/android.dmg -mountpoint /Volumes/android; }
 </code></pre>
 
-<p><strong>Note</strong>: If your system created a .dmg.sparsefile file, replace <code>~/android.dmg</code> with <code>~/android.dmg.sparsefile.</p>
+<p><strong>Note</strong>: If your system created a .dmg.sparsefile file, replace <code>~/android.dmg</code> with <code>~/android.dmg.sparsefile</code>.</p>
 
 <p>Once you've mounted, the <code>android</code> volume, you'll do all your work there. You can eject it (unmount it) just like you would with an external drive.</p>