diff --git a/doc/index.but b/doc/index.but
index e363a327..5f9d59ea 100644
--- a/doc/index.but
+++ b/doc/index.but
@@ -916,3 +916,7 @@ saved sessions from
 \IM{PuTTY icon} PuTTY icon
 \IM{PuTTY icon} icon, PuTTY's
 \IM{PuTTY icon} logo, PuTTY's
+
+\IM{system tray} system tray, Windows
+\IM{system tray} notification area, Windows (aka system tray)
+\IM{system tray} taskbar notification area, Windows (aka system tray)
diff --git a/doc/using.but b/doc/using.but
index 3fccf429..eb7ac6db 100644
--- a/doc/using.but
+++ b/doc/using.but
@@ -1104,7 +1104,7 @@ proxy command, you'll need to arrange to pass them the
 \c{-restrict-acl} option yourself, if that's what you want.)
 
 If Pageant is started with the \c{-restrict-acl} option, and you use
-it to launch a PuTTY session from its System Tray submenu, then
+it to launch a PuTTY session from its \ii{System Tray} submenu, then
 Pageant will \e{not} default to starting the PuTTY subprocess with a
 restricted ACL. This is because PuTTY is more likely to suffer reduced
 functionality as a result of restricted ACLs (e.g. screen reader