Fix typo in commitDetails.html

Author: jogo-

src/webviews/apps/commitDetails/commitDetails.html

@@ -16,7 +16,7 @@
 					</ul>
 				</p>
 
-				<p>Alteratively, search for or choose a commit</p>
+				<p>Alternatively, search for or choose a commit</p>
 
 				<p class="button-container">
 					<span class="button-group">