improve rule descriptions

conf/scores.d/surbl_group.conf

@@ -152,26 +152,26 @@ symbols = {
     }
     "URIBL_SBL" {
         weight = 6.5;
-        description = "A domain listed in the mail is listed in Spamhaus SBL URIBL";
+        description = "A domain in the mail resolves to an IP listed in Spamhaus SBL";
     }
     "URIBL_SBL_CSS" {
         weight = 6.5;
-        description = "A domain listed in the mail is listed in Spamhaus SBL CSS URIBL";
+        description = "A domain in the mail resolves to an IP listed in Spamhaus SBL CSS";
     }
     "URIBL_XBL" {
         weight = 6.5;
-        description = "A domain listed in the mail is listed in Spamhaus XBL URIBL";
+        description = "A domain in the mail resolves to an IP listed in Spamhaus XBL";
     }
     "URIBL_PBL" {
         weight = 0.01;
-        description = "A domain listed in the mail is listed in Spamhaus PBL URIBL";
+        description = "A domain in the mail resolves to an IP listed in Spamhaus PBL";
     }
     "URIBL_DROP" {
         weight = 8.0;
-        description = "A domain listed in the mail is listed in Spamhaus DROP URIBL";
+        description = "A domain in the mail resolves to an IP listed in Spamhaus DROP";
     }
     "RBL_SARBL_BAD" {
         weight = 2.5;
-        description = "A domain listed in the mail is blacklisted in SARBL";
+        description = "A domain in the mail is blacklisted in SARBL";
    }
 }