topos: Fix typos in module documentation

src/modules/topos/doc/topos_admin.xml

@@ -153,7 +153,7 @@ modparam("topos", "mask_callid", 1)
 			If set to 1, topoh module will bind to sanity module in order
 			to perform sanity checks over received SIP request. Default
 			sanity checks are done. It is useful to check if received request
-			is well formated before proceeding to encoding/decoding.
+			is well formatted before proceeding to encoding/decoding.
 		</para>
 		<para>
 		<emphasis>