help: Link to font size help page from other pages.

help/configure-default-new-user-settings.md

@@ -23,6 +23,7 @@ preference settings, including the following:
     * [Language](/help/change-your-language)
     * [Time format](/help/change-the-time-format)
     * [Light theme vs. dark theme](/help/dark-theme)
+    * [Font size and line spacing](/help/font-size)
     * [Emoji theme](/help/emoji-and-emoticons#change-your-emoji-set)
     * [Home view](/help/configure-home-view)
       ([Inbox](/help/inbox) vs.

help/dark-theme.md

@@ -34,3 +34,4 @@ color scheme regardless of your operating system configuration.
 * [Set up your account](/help/set-up-your-account)
 * [Review your settings](/help/review-your-settings)
 * [Configure default new user settings](/help/configure-default-new-user-settings)
+* [Font size and line spacing](/help/font-size)

help/include/set-up-your-account.md

@@ -10,10 +10,12 @@
   [edit your profile information](/help/edit-your-profile) to tell others
   about yourself.
 
-- [Review your Preferences](/help/review-your-settings#review-your-preferences).
-  You can [switch between light and dark theme](/help/dark-theme),
-  [pick your favorite emoji theme](/help/emoji-and-emoticons#change-your-emoji-set),
-  [change your language](/help/change-your-language), and make other tweaks to your Zulip experience.
+- [Review your preferences](/help/review-your-settings#review-your-preferences).
+  You can [switch between light and dark theme](/help/dark-theme), [customize
+  the font size](/help/font-size), [pick your favorite emoji
+  theme](/help/emoji-and-emoticons#change-your-emoji-set), [change your
+  language](/help/change-your-language), and make other tweaks to your Zulip
+  experience.
 
 - [Browse and subscribe to channels](/help/introduction-to-channels#browse-and-subscribe-to-channels).