diff --git a/web/src/js/filt/filt.peg b/web/src/js/filt/filt.peg
index 05b487b78..e4b151ad6 100644
--- a/web/src/js/filt/filt.peg
+++ b/web/src/js/filt/filt.peg
@@ -1,4 +1,4 @@
-// PEG.js filter rules - see http://pegjs.majda.cz/online
+// PEG.js filter rules - see https://pegjs.org/
 
 {
 var flowutils = require("../flow/utils.js");