--- a/browser/app/profile/firefox.js
+++ b/browser/app/profile/firefox.js
@@ -660,16 +660,18 @@ pref("pfs.datasource.url", "https://pfs.
 pref("plugins.hide_infobar_for_blocked_plugin", false);
 pref("plugins.hide_infobar_for_outdated_plugin", false);
 
 pref("plugins.update.url", "https://www.mozilla.org/%LOCALE%/plugincheck/");
 pref("plugins.update.notifyUser", false);
 
 pref("plugins.click_to_play", true);
 
+pref("plugins.clickToActivateInfo.url", "https://support.mozilla.org/1/firefox/%VERSION%/%OS%/%LOCALE%/clicktoplay");
+
 // let all plugins except Flash default to click-to-play
 pref("plugin.default.state", 1);
 pref("plugin.state.flash", 2);
 
 // display door hanger if flash not installed
 pref("plugins.notifyMissingFlash", true);
 
 #ifdef XP_WIN

--- a/browser/base/content/browser-plugins.js
+++ b/browser/base/content/browser-plugins.js
@@ -699,16 +699,19 @@ var gPluginHandler = {
       let url;
       // TODO: allow the blocklist to specify a better link, bug 873093
       if (pluginInfo.blocklistState == Ci.nsIBlocklistService.STATE_VULNERABLE_UPDATE_AVAILABLE) {
         url = Services.urlFormatter.formatURLPref("plugins.update.url");
       }
       else if (pluginInfo.blocklistState != Ci.nsIBlocklistService.STATE_NOT_BLOCKED) {
         url = Services.blocklist.getPluginBlocklistURL(pluginInfo.pluginTag);
       }
+      else {
+        url = Services.urlFormatter.formatURLPref("plugins.clickToActivateInfo.url");
+      }
       pluginInfo.detailsLink = url;
 
       centerActions.push(pluginInfo);
     }
     centerActions.sort(function(a, b) {
       return a.pluginName.localeCompare(b.pluginName);
     });