--- a/browser/components/preferences/in-content/privacy.js
+++ b/browser/components/preferences/in-content/privacy.js
@@ -1066,16 +1066,20 @@ var gPrivacyPane = {
     let safeBrowsingMalwarePref = document.getElementById("browser.safebrowsing.malware.enabled");
 
     let blockDownloadsPref = document.getElementById("browser.safebrowsing.downloads.enabled");
     let malwareTable = document.getElementById("urlclassifier.malwareTable");
 
     let blockUnwantedPref = document.getElementById("browser.safebrowsing.downloads.remote.block_potentially_unwanted");
     let blockUncommonPref = document.getElementById("browser.safebrowsing.downloads.remote.block_uncommon");
 
+    let learnMoreLink = document.getElementById("enableSafeBrowsingLearnMore");
+    let phishingUrl = "https://support.mozilla.org/kb/how-does-phishing-and-malware-protection-work";
+    learnMoreLink.setAttribute("href", phishingUrl);
+
     enableSafeBrowsing.addEventListener("command", function() {
       safeBrowsingPhishingPref.value = enableSafeBrowsing.checked;
       safeBrowsingMalwarePref.value = enableSafeBrowsing.checked;
 
       if (enableSafeBrowsing.checked) {
         if (blockDownloads) {
           blockDownloads.removeAttribute("disabled");
           if (blockDownloads.checked) {

--- a/browser/components/preferences/in-content/privacy.xul
+++ b/browser/components/preferences/in-content/privacy.xul
@@ -757,19 +757,23 @@
       hidden="true"
       data-category="panePrivacy">
   <label class="header-name" flex="1">&security.label;</label>
 </hbox>
 
 <!-- addons, forgery (phishing) UI Security -->
 <groupbox id="browsingProtectionGroup" data-category="panePrivacy" hidden="true">
   <caption><label>&browsingProtection.label;</label></caption>
-  <checkbox id="enableSafeBrowsing"
-            label="&enableSafeBrowsing.label;"
-            accesskey="&enableSafeBrowsing.accesskey;" />
+  <hbox align = "center">
+    <checkbox id="enableSafeBrowsing"
+              label="&enableSafeBrowsing.label;"
+              accesskey="&enableSafeBrowsing.accesskey;" />
+    <label id="enableSafeBrowsingLearnMore"
+           class="learnMore text-link">&enableSafeBrowsingLearnMore.label;</label>
+  </hbox>
   <vbox class="indent">
 #ifdef MOZILLA_OFFICIAL
     <checkbox id="blockDownloads"
               label="&blockDownloads.label;"
               accesskey="&blockDownloads.accesskey;" />
 #endif
     <checkbox id="blockUncommonUnwanted"
               label="&blockUncommonAndUnwanted.label;"

--- a/browser/locales/en-US/chrome/browser/preferences/privacy.dtd
+++ b/browser/locales/en-US/chrome/browser/preferences/privacy.dtd
@@ -112,8 +112,9 @@
 <!ENTITY  browserContainersEnabled.label        "Enable Container Tabs">
 <!ENTITY  browserContainersEnabled.accesskey    "n">
 <!ENTITY  browserContainersSettings.label        "Settings…">
 <!ENTITY  browserContainersSettings.accesskey    "i">
 
 <!ENTITY  a11yPrivacy.checkbox.label     "Prevent accessibility services from accessing your browser">
 <!ENTITY  a11yPrivacy.checkbox.accesskey "a">
 <!ENTITY  a11yPrivacy.learnmore.label    "Learn more">
+<!ENTITY enableSafeBrowsingLearnMore.label "Learn more">
\ No newline at end of file