Make note about .dmg.sparsefile extension
Change-Id: I844cf6875239f07ea51319d22bb2709afb8fa39d
diff --git a/src/source/initializing.md b/src/source/initializing.md
index 115d842..a4fe8d9 100644
--- a/src/source/initializing.md
+++ b/src/source/initializing.md
@@ -127,7 +127,7 @@
# hdiutil create -type SPARSE -fs 'Case-sensitive Journaled HFS+' -size 40g ~/android.dmg
-This will create a .dmg file which, once mounted, acts as a drive with the required formatting for Android development. For a disk image named "android.dmg" stored in your home directory, you can add the following to your `~/.bash_profile` to mount the image when you execute "mountAndroid":
+This will create a .dmg (or possibly a .dmg.sparsefile) file which, once mounted, acts as a drive with the required formatting for Android development. For a disk image named "android.dmg" stored in your home directory, you can add the following to your `~/.bash_profile` to mount the image when you execute "mountAndroid":
# mount the android file image
function mountAndroid { hdiutil attach ~/android.dmg -mountpoint /Volumes/android; }