Update pip.html

Author: lamberta

site/en/install/pip.html

@@ -200,7 +200,7 @@ <h3>Windows</h3>
 <code class="devsite-terminal tfo-terminal-windows-venv">pip list  # show packages installed within the virtual environment</code>
 </pre>
 <p>
-  And to exit virtual environment later:
+  And to exit the virtual environment later:
 </p>
 <pre class="devsite-terminal tfo-terminal-windows-venv prettyprint lang-bsh">deactivate  # don't exit until you're done using TensorFlow</pre>
 </section>