Fix typo

docs/configuration.rst

@@ -40,7 +40,7 @@ address.
 The ``WILDCARD_SENDERS`` setting is a comma delimited list of user email addresses that are allowed to send emails from any existing address (spoofing the sender).
 
 The ``AUTH_RATELIMIT_IP`` (default: 60/hour) holds a security setting for fighting
-attackers that waste server ressources by trying to guess user passwords (typically
+attackers that waste server resources by trying to guess user passwords (typically
 using a password spraying attack). The value defines the limit of authentication
 attempts that will be processed on non-existing accounts for a specific IP subnet
 (as defined in ``AUTH_RATELIMIT_IP_V4_MASK`` and ``AUTH_RATELIMIT_IP_V6_MASK`` below).