Consistent capitalization -- all cmd descriptions should be lowercase.

Author: kablamo

app/index.html

@@ -40,7 +40,7 @@ <h2>Cursor movement</h2>
             <li><kbd>0</kbd> - (zero) start of line</li>
             <li><kbd>^</kbd> - first non-blank character of line</li>
             <li><kbd>$</kbd> - end of line</li>
-            <li><kbd>G</kbd> - Go To command (prefix with number - <kbd>5G</kbd> goes to line 5)</li>
+            <li><kbd>G</kbd> - go to command (prefix with number - <kbd>5G</kbd> goes to line 5)</li>
           </ul>
           <div class="well">
             <small><strong>Tip</strong> Prefix a cursor movement command with a number to repeat it. For example, <kbd>4j</kbd> moves down 4 lines.</small>
@@ -134,15 +134,15 @@ <h2>Search/Replace</h2>
         <div class="col-lg-4">
           <h2>Working with multiple files</h2>
           <ul>
-            <li><kbd>:e</kbd> filename - Edit a file in a new buffer</li>
+            <li><kbd>:e</kbd> filename - edit a file in a new buffer</li>
             <li><kbd>:bnext</kbd> or <kbd>:bn</kbd> - go to next buffer</li>
             <li><kbd>:bprev</kbd> or <kbd>:bp</kbd> - go to previous buffer</li>
             <li><kbd>:bd</kbd> - delete a buffer (close a file)</li>
-            <li><kbd>:sp</kbd> filename - Open a file in a new buffer and split window</li>
-            <li><kbd>:vsp</kbd> filename - Open a file in a new buffer and vertically split window </li>
-            <li><kbd>Ctrl</kbd> + <kbd>ws</kbd> - Split windows</li>
+            <li><kbd>:sp</kbd> filename - open a file in a new buffer and split window</li>
+            <li><kbd>:vsp</kbd> filename - open a file in a new buffer and vertically split window </li>
+            <li><kbd>Ctrl</kbd> + <kbd>ws</kbd> - split windows</li>
             <li><kbd>Ctrl</kbd> + <kbd>ww</kbd> - switch windows</li>
-            <li><kbd>Ctrl</kbd> + <kbd>wq</kbd> - Quit a window</li>
+            <li><kbd>Ctrl</kbd> + <kbd>wq</kbd> - quit a window</li>
             <li><kbd>Ctrl</kbd> + <kbd>wv</kbd> - split windows vertically</li>
           </ul>
         </div>