action.d/abuseipdb.conf: removed broken link, simplified usage example, fixed typos

config/action.d/abuseipdb.conf

@@ -21,14 +21,13 @@
 #
 # Example, for ssh bruteforce (in section [sshd] of `jail.local`): 
 #   action = %(known/action)s
-#            %(action_abuseipdb)s[abuseipdb_apikey="my-api-key", abuseipdb_category="18,22"]
+#            abuseipdb[abuseipdb_apikey="my-api-key", abuseipdb_category="18,22"]
 #
-# See below for catagories.
+# See below for categories.
 #
-# Original Ref: https://wiki.shaunc.com/wikka.php?wakka=ReportingToAbuseIPDBWithFail2Ban
 # Added to fail2ban by Andrew James Collett (ajcollett)
 
-## abuseIPDB Catagories, `the abuseipdb_category` MUST be set in the jail.conf action call.
+## abuseIPDB Categories, `the abuseipdb_category` MUST be set in the jail.conf action call.
 # Example, for ssh bruteforce: action = %(action_abuseipdb)s[abuseipdb_category="18,22"]
 # ID	Title	Description
 # 3	  Fraud Orders
@@ -101,5 +100,5 @@ actionunban =
 # Notes    Your API key from abuseipdb.com
 # Values:  STRING  Default: None
 # Register for abuseipdb [https://www.abuseipdb.com], get api key and set below.
-# You will need to set the catagory in the action call.
+# You will need to set the category in the action call.
 abuseipdb_apikey =