diff --git a/developer/src/server/src/site/packages.js b/developer/src/server/src/site/packages.js
index 2c56dd0fe10..2255fe9ebd6 100644
--- a/developer/src/server/src/site/packages.js
+++ b/developer/src/server/src/site/packages.js
@@ -11,7 +11,7 @@ menuDropdown.onclick = (value) => {
   menuDropdown.set(''); // we never show an 'active' package
   if(value == '#install-keyman') {
     let href = '';
-    switch(keyman.config.hostDevice.OS) {
+    switch(keyman.config.hostDevice.OS) {   // note: KeymanWeb internal API
       case 'ios':     href = 'https://keyman.com/go/developer/'+versionMajor+'/ios-app'; break;
       case 'android': href = 'https://keyman.com/go/developer/'+versionMajor+'/android-app'; break;
       case 'linux':   href = 'https://keyman.com/linux/download'; break;
diff --git a/developer/src/server/src/site/test.js b/developer/src/server/src/site/test.js
index 60a27cc484f..6014c8ab264 100644
--- a/developer/src/server/src/site/test.js
+++ b/developer/src/server/src/site/test.js
@@ -216,14 +216,14 @@ window.onload = function() {
 
     if(newOSK) {
       document.getElementById('osk-host').removeChild(newOSK.element);
-      keyman.osk = null;
+      keyman.osk = null;  // Note: undocumented KeymanWeb API
     }
 
     // Create a new on screen keyboard view and tell KeymanWeb that
     // we are using the targetDevice for context input.
-    newOSK = new keyman.views.InlinedOSKView(keyman, { device: targetDevice });
-    keyman.core.contextDevice = targetDevice;
-    keyman.osk = newOSK;
+    newOSK = new keyman.views.InlinedOSKView(keyman, { device: targetDevice });  // Note: KeymanWeb internal API
+    keyman.core.contextDevice = targetDevice;  // Note: KeymanWeb internal API
+    keyman.osk = newOSK;  // Note: undocumented KeymanWeb API
 
     if(document.body.offsetWidth < targetDevice.dimensions[0]) {
       newOSK.setSize('320px', '200px');
@@ -237,8 +237,8 @@ window.onload = function() {
 
   keyman.addEventListener('keyboardchange', function(keyboardProperties) {
     if(newOSK) {
-      keyman.osk = newOSK;
-      newOSK.activeKeyboard = keyman.contextManager.activeKeyboard;  // Private API refs on both sides
+      keyman.osk = newOSK;  // Note: undocumented KeymanWeb API
+      newOSK.activeKeyboard = keyman.contextManager.activeKeyboard;  // Note: undocumented KeymanWeb API refs on both sides
     }
     keyboardDropdown.set(keyboardProperties.internalName);
     window.sessionStorage.setItem('current-keyboard', keyboardProperties.internalName);
@@ -284,7 +284,7 @@ function unloadKeyboardsAndModels() {
   const lastModel = keyman.core.activeModel;
   if(lastModel) {
     console.log('Unregistering model '+lastModel.id);
-    keyman.removeModel(lastModel.id);
+    keyman.removeModel(lastModel.id);  // Note: undocumented KeymanWeb API
   }
 
   modelDropdown.removeAll();