Fix missing HTML message

Fixes the missing HTML message, displayed when an HTML body can't be
rendered because there is no functional mailcap entry. The message
refers to the online FAQ, but the item was the wrong one.

Signed-off-by: Antoine Tenart <antoine.tenart@ack.tf>

alot/db/utils.py

@@ -459,7 +459,7 @@ def remove_cte(part, as_string=False):
 
 MISSING_HTML_MSG = ("This message contains a text/html part that was not "
                     "rendered due to a missing mailcap entry. "
-                    "Please refer to item 5 in our FAQ: "
+                    "Please refer to item 1 in our FAQ: "
                     "http://alot.rtfd.io/en/latest/faq.html")