diff --git a/libvncserver/rfbssl_gnutls.c b/libvncserver/rfbssl_gnutls.c
index fb3a0e7..e58cdad 100644
--- a/libvncserver/rfbssl_gnutls.c
+++ b/libvncserver/rfbssl_gnutls.c
@@ -109,7 +109,7 @@ struct rfbssl_ctx *rfbssl_init_global(char *key, char *cert)
 	gnutls_global_set_log_function(rfbssl_log_func);
 	gnutls_global_set_log_level(1);
 	gnutls_certificate_set_dh_params(ctx->x509_cred, ctx->dh_params);
-	//newly allocated memory should be initialized, at least where it is important
+	/* newly allocated memory should be initialized, at least where it is important */
 	ctx->peekstart = ctx->peeklen = 0;
 	return ctx;
     }
diff --git a/libvncserver/tight.c b/libvncserver/tight.c
index 8eb7380..89a7f25 100644
--- a/libvncserver/tight.c
+++ b/libvncserver/tight.c
@@ -165,7 +165,7 @@ void rfbTightCleanup (rfbScreenInfoPtr screen)
     }
 	if (j) {
 		tjDestroy(j);
-		//Set freed resource handle to 0!
+		/* Set freed resource handle to 0! */
 		j = 0;
 	}
 }