diff --git a/etc/profile-a-l/claws-mail.profile b/etc/profile-a-l/claws-mail.profile
index 53db480a4c..14497bba92 100644
--- a/etc/profile-a-l/claws-mail.profile
+++ b/etc/profile-a-l/claws-mail.profile
@@ -6,6 +6,11 @@ include claws-mail.local
 # Persistent global definitions
 include globals.local
 
+# Note: If you use things like claws-mail's "fancy" (html rendering) plugin and
+# the X11 window freezes, 'no3d' is likely the cause.  In which case, try
+# adding the following line to claws-mail.local:
+#ignore no3d
+
 noblacklist ${HOME}/.claws-mail
 
 mkdir ${HOME}/.claws-mail