www: fix two translation issues

(cherry picked from commit c1141f4d)
(cherry picked from commit 1b21ad91)

src/www/vpn_openvpn_client.php

@@ -966,7 +966,7 @@ $( document ).ready(function() {
                                 endforeach; ?>
               </select>
               <div class="hidden" for="help_for_compression">
-                <?=gettext("Compress tunnel packets using the LZO algorithm. Adaptive compression will dynamically disable compression for a period of time if OpenVPN detects that the data in the packets is not being compressed efficiently."); ?>.
+                <?=gettext("Compress tunnel packets using the LZO algorithm. Adaptive compression will dynamically disable compression for a period of time if OpenVPN detects that the data in the packets is not being compressed efficiently."); ?>
               </div>
             </td>
           </tr>

src/www/vpn_openvpn_export.php

@@ -157,7 +157,7 @@ if (isset($config['openvpn']['openvpn-server'])) {
                 $proxy['ip'] = $_GET['proxy_addr'];
             }
             if (empty($_GET['proxy_port'])) {
-                $input_errors[] = gettext("You need to specify a port for the proxy ip.");
+                $input_errors[] = gettext("You need to specify a port for the proxy IP.");
             } else {
                 $proxy['port'] = $_GET['proxy_port'];
             }

src/www/vpn_openvpn_server.php

@@ -1230,7 +1230,7 @@ endif; ?>
                         endforeach; ?>
                         </select>
                         <div class="hidden" for="help_for_compression">
-                            <?=gettext("Compress tunnel packets using the LZO algorithm. Adaptive compression will dynamically disable compression for a period of time if OpenVPN detects that the data in the packets is not being compressed efficiently"); ?>.
+                            <?=gettext("Compress tunnel packets using the LZO algorithm. Adaptive compression will dynamically disable compression for a period of time if OpenVPN detects that the data in the packets is not being compressed efficiently."); ?>
                         </div>
                       </td>
                     </tr>