diff --git a/gui/win_main.ui b/gui/win_main.ui
index 0e1c449..794dd51 100644
--- a/gui/win_main.ui
+++ b/gui/win_main.ui
@@ -382,7 +382,8 @@
     <addaction name="menuDownloadAvisynth"/>
     <addaction name="actionWebVapourSynth"/>
     <addaction name="separator"/>
-    <addaction name="actionWebWiki"/>
+    <addaction name="actionOnlineDocX264"/>
+    <addaction name="actionOnlineDocX265"/>
     <addaction name="actionWebBluRay"/>
     <addaction name="actionWebAvsWiki"/>
     <addaction name="actionWebVapourSynthDocs"/>
@@ -465,13 +466,13 @@
     <string>VideoLAN Builds</string>
    </property>
   </action>
-  <action name="actionWebWiki">
+  <action name="actionOnlineDocX264">
    <property name="icon">
     <iconset resource="../res/resources.qrc">
      <normaloff>:/buttons/book_open.png</normaloff>:/buttons/book_open.png</iconset>
    </property>
    <property name="text">
-    <string>MeWiki - x264 Settings</string>
+    <string>x264 Online Documentation</string>
    </property>
   </action>
   <action name="actionWebBluRay">
@@ -480,7 +481,7 @@
      <normaloff>:/buttons/book_open.png</normaloff>:/buttons/book_open.png</iconset>
    </property>
    <property name="text">
-    <string>x264 BluRay Authoring</string>
+    <string>BluRay Authoring Guide</string>
    </property>
   </action>
   <action name="actionJob_New">
@@ -768,6 +769,15 @@
     <string>Move Down</string>
    </property>
   </action>
+  <action name="actionOnlineDocX265">
+   <property name="icon">
+    <iconset resource="../res/resources.qrc">
+     <normaloff>:/buttons/book_open.png</normaloff>:/buttons/book_open.png</iconset>
+   </property>
+   <property name="text">
+    <string>x265 Online Documentation</string>
+   </property>
+  </action>
  </widget>
  <tabstops>
   <tabstop>buttonAddJob</tabstop>
diff --git a/src/win_main.cpp b/src/win_main.cpp
index 108e391..55058cd 100644
--- a/src/win_main.cpp
+++ b/src/win_main.cpp
@@ -209,7 +209,8 @@ MainWindow::MainWindow(const x264_cpu_t *const cpuFeatures, IPC *ipc)
 	SETUP_WEBLINK(ui->actionWebAvisynthPlus,    "http://www.avs-plus.net/");
 	SETUP_WEBLINK(ui->actionWebVapourSynth,     "http://www.vapoursynth.com/");
 	SETUP_WEBLINK(ui->actionWebVapourSynthDocs, "http://www.vapoursynth.com/doc/");
-	SETUP_WEBLINK(ui->actionWebWiki,            "http://mewiki.project357.com/wiki/X264_Settings");
+	SETUP_WEBLINK(ui->actionOnlineDocX264,      "http://mewiki.project357.com/wiki/X264_Settings");
+	SETUP_WEBLINK(ui->actionOnlineDocX265,      "http://x265.readthedocs.org/en/default/");
 	SETUP_WEBLINK(ui->actionWebBluRay,          "http://www.x264bluray.com/");
 	SETUP_WEBLINK(ui->actionWebAvsWiki,         "http://avisynth.nl/index.php/Main_Page#Usage");
 	SETUP_WEBLINK(ui->actionWebSupport,         "http://forum.doom9.org/showthread.php?t=144140");
@@ -957,7 +958,7 @@ void MainWindow::init(void)
 			if(!m_preferences->getDisableWarnings())
 			{
 				QString text = tr("It appears that VapourSynth is <b>not</b> currently installed on your computer.<br>Therefore VapourSynth (.vpy) input will <b>not</b> be working at all!").append("<br><br>");
-				text += tr("Please download and install VapourSynth for Windows (R19 or later):").append("<br>").append(LINK(vsynth_url)).append("<br><br>");
+				text += tr("Please download and install VapourSynth for Windows (R20 or later):").append("<br>").append(LINK(vsynth_url)).append("<br><br>");
 				text += tr("Note that Python v3.x is a prerequisite for installing VapourSynth:").append("<br>").append(LINK(python_url)).append("<br>");
 				const int val = QMessageBox::warning(this, tr("VapourSynth Missing"), QString("<nobr>%1</nobr>").arg(text).replace("-", "&minus;"), tr("Close"), tr("Disable this Warning"));
 				if(val == 1)