Update startup message with informations on using pure OpenCL kernel

src/main.c

@@ -514,8 +514,9 @@ static void main_outerloop_mainscreen (MAYBE_UNUSED hashcat_ctx_t *hashcat_ctx,
     if (hashconfig->has_optimized_kernel == true)
     {
       event_log_advice (hashcat_ctx, "ATTENTION! Pure (unoptimized) OpenCL kernels selected.");
-      event_log_advice (hashcat_ctx, "This enables cracking passwords and salts > length 32 but for the price of drastically reduced performance.");
+      event_log_advice (hashcat_ctx, "Using pure kernels enables cracking longer passwords but for the price of drastically reduced performance.");
       event_log_advice (hashcat_ctx, "If you want to switch to optimized OpenCL kernels, append -O to your commandline.");
+      event_log_advice (hashcat_ctx, "See the above message to find out about the exact limits.");
       event_log_advice (hashcat_ctx, NULL);
     }
   }