Add warning message for --keep-guessing

src/main.c

@@ -519,7 +519,14 @@ static void main_outerloop_mainscreen (MAYBE_UNUSED hashcat_ctx_t *hashcat_ctx,
       event_log_advice (hashcat_ctx, NULL);
     }
   }
-
+  
+  if (user_options->keep_guessing == true)
+  {
+    event_log_advice (hashcat_ctx, "ATTENTION! Keep-guessing is enabled.");
+    event_log_advice (hashcat_ctx, "This tells Hashcat to continue guessing against all target hashes until attack exhaustion.");
+    event_log_advice (hashcat_ctx, "Hashcat will NOT check for or remove targets present in the potfile and will add ALL plains/collisions found, including duplicates, to the potfile.");
+    event_log_advice (hashcat_ctx, NULL);
+  }
   /**
    * Watchdog and Temperature balance
    */