diff --git a/lighthouse-core/audits/seo/hreflang.js b/lighthouse-core/audits/seo/hreflang.js
index 46592aa738ad..2d2c1cf8d220 100644
--- a/lighthouse-core/audits/seo/hreflang.js
+++ b/lighthouse-core/audits/seo/hreflang.js
@@ -60,9 +60,9 @@ class Hreflang extends Audit {
       name: 'hreflang',
       description: 'Document has a valid `hreflang`',
       failureDescription: 'Document doesn\'t have a valid `hreflang`',
-      helpText: 'hreflang allows crawlers to discover alternate translations of the ' +
-        'page content. [Learn more]' +
-        '(https://support.google.com/webmasters/answer/189077).',
+      helpText: 'hreflang links tell search engines what version of a page they should ' +
+        'list in search results for a given language or region. [Learn more]' +
+        '(https://developers.google.com/web/tools/lighthouse/audits/hreflang).',
       requiredArtifacts: ['Hreflang'],
     };
   }
diff --git a/lighthouse-core/audits/seo/plugins.js b/lighthouse-core/audits/seo/plugins.js
index d808946781bb..ee4fdc9642ad 100644
--- a/lighthouse-core/audits/seo/plugins.js
+++ b/lighthouse-core/audits/seo/plugins.js
@@ -69,8 +69,9 @@ class Plugins extends Audit {
       name: 'plugins',
       description: 'Document avoids plugins',
       failureDescription: 'Document uses plugins',
-      helpText: 'Most mobile devices do not support plugins, and many desktop browsers restrict ' +
-      'them.',
+      helpText: 'Search engines can\'t index plugin content, and ' +
+        'many devices restrict plugins or don\'t support them. ' +
+        '[Learn more](https://developers.google.com/web/tools/lighthouse/audits/plugins).',
       requiredArtifacts: ['EmbeddedContent'],
     };
   }