Merge pull request #1088 from lord63/master

Update installation.rst

docs/installation.rst

@@ -81,7 +81,13 @@ If you are a Windows user, the following command is for you::
 Either way, you should now be using your virtualenv (notice how the prompt of
 your shell has changed to show the active environment).
 
-Now you can just enter the following command to get Flask activated in your
+And if you want to go back to the real world, use the following command::
+
+    $ deactivate
+
+After doing this, the prompt of your shell should be as familar as before.
+
+Now, let's move on. Enter the following command to get Flask activated in your
 virtualenv::
 
     $ pip install Flask