minor #1521 Update web_servers.rst (progsmile)

This PR was squashed before being merged into the 2.1.x-dev branch (closes #1521).

Discussion
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Update web_servers.rst

Reformat code listing

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Commits
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6b9319ac Update web_servers.rst

doc/web_servers.rst

@@ -41,15 +41,15 @@ Or if you're using a VirtualHost, you can add the same directive to the VirtualH
 
 .. code-block:: apache
 
-<VirtualHost *:80>
-	# other directives
-
-	<Directory /var/www/domain.com/>
-		# other directives
-		
-		FallbackResource /index.php
-	</Directory>
-</VirtualHost>
+    <VirtualHost *:80>
+        # other directives
+
+        <Directory /var/www/domain.com/>
+            # other directives
+
+            FallbackResource /index.php
+        </Directory>
+    </VirtualHost>
 
 .. note::