Cont'd docs

docs/subscribe/pwa.md

@@ -24,12 +24,12 @@ app drawer:
     <a href="../../static/img/pwa-install.png"><img src="../../static/img/pwa-install.png"/></a>
     <a href="../../static/img/pwa.png"><img src="../../static/img/pwa.png"/></a> 
     <a href="../../static/img/pwa-badge.png"><img src="../../static/img/pwa-badge.png"/></a>
-
 </div>
 
-### Chrome on Android
-For Chrome on Android, either click the "Add to Home Screen" banner at the bottom of the screen, or select "install app"
-in the menu. After installation, you can find the app in your app drawer, and on your home screen.
+### Chrome/Firefox on Android
+For Chrome on Android, either click the "Add to Home Screen" banner at the bottom of the screen, or select "Install app"
+in the menu, and then click "Install" in the popup menu. After installation, you can find the app in your app drawer, 
+and on your home screen.
 
 <div id="pwa-screenshots-chrome-android" class="screenshots">
     <a href="../../static/img/pwa-install-chrome-android.jpg"><img src="../../static/img/pwa-install-chrome-android.jpg"/></a>
@@ -37,9 +37,12 @@ in the menu. After installation, you can find the app in your app drawer, and on
     <a href="../../static/img/pwa-install-chrome-android-popup.jpg"><img src="../../static/img/pwa-install-chrome-android-popup.jpg"/></a>
 </div>
 
-### Firefox on Android
+For Firefox, select "Install" in the menu, and then click "Add" to add an icon to your home screen:
 
-XXXXXXXXXXX
+<div id="pwa-screenshots-firefox-android" class="screenshots">
+    <a href="../../static/img/pwa-install-firefox-android-menu.jpg"><img src="../../static/img/pwa-install-firefox-android-menu.jpg"/></a>
+    <a href="../../static/img/pwa-install-firefox-android-popup.jpg"><img src="../../static/img/pwa-install-firefox-android-popup.jpg"/></a>
+</div>
 
 ### Safari on iOS
 On iOS Safari, tap on the Share menu > "Add to Home Screen".