diff --git a/src/examples/proteopedia-wrapper/changelog.md b/src/examples/proteopedia-wrapper/changelog.md
index e8e8cb5a36a6716a6b0c00b497000109ceac6e5b..dfc88d6340d3db650d54bc1ba0043f11715c04e9 100644
--- a/src/examples/proteopedia-wrapper/changelog.md
+++ b/src/examples/proteopedia-wrapper/changelog.md
@@ -1,3 +1,9 @@
+== v3.4 ==
+
+* Fixed HET group reset.
+* Updated core.
+* Removed Camera Cliping.
+
 == v3.3 ==
 
 * Camera Clipping.
diff --git a/src/examples/proteopedia-wrapper/index.html b/src/examples/proteopedia-wrapper/index.html
index b7383173937cd7c1f8c700611fa7a875c7c52031..39572fc135b8e50eab61d950fe516be800dd115e 100644
--- a/src/examples/proteopedia-wrapper/index.html
+++ b/src/examples/proteopedia-wrapper/index.html
@@ -133,8 +133,8 @@
             addControl('Reset Position', () => PluginWrapper.camera.resetPosition());
             addControl('Toggle Spin', () => PluginWrapper.camera.toggleSpin());
             // Same as "wheel icon" and Viewport options
-            addControl('Clip', () => PluginWrapper.viewport.setSettings({ clip: [33, 66] }));
-            addControl('Reset Clip', () => PluginWrapper.viewport.setSettings({ clip: [1, 100] }));
+            // addControl('Clip', () => PluginWrapper.viewport.setSettings({ clip: [33, 66] }));
+            // addControl('Reset Clip', () => PluginWrapper.viewport.setSettings({ clip: [1, 100] }));
             
             addSeparator();
 
diff --git a/src/examples/proteopedia-wrapper/index.ts b/src/examples/proteopedia-wrapper/index.ts
index 5191c70c152dc3ca6a776cebccb61cbd9b79db6c..c13cdf08c9cec8f51895a00065828f376ff969f6 100644
--- a/src/examples/proteopedia-wrapper/index.ts
+++ b/src/examples/proteopedia-wrapper/index.ts
@@ -37,7 +37,7 @@ require('../../mol-plugin/skin/light.scss')
 
 class MolStarProteopediaWrapper {
     static VERSION_MAJOR = 3;
-    static VERSION_MINOR = 3;
+    static VERSION_MINOR = 4;
 
     private _ev = RxEventHelper.create();
 
@@ -335,7 +335,7 @@ class MolStarProteopediaWrapper {
 
     hetGroups = {
         reset: () => {
-            const update = this.state.build().delete(StateElements.HetGroupFocus);
+            const update = this.state.build().delete(StateElements.HetGroupFocusGroup);
             PluginCommands.State.Update.dispatch(this.plugin, { state: this.state, tree: update });
             PluginCommands.Camera.Reset.dispatch(this.plugin, { });
         },