diff --git a/core/collection_mode.ml b/core/collection_mode.ml
index dadca9f87..ec0cee868 100644
--- a/core/collection_mode.ml
+++ b/core/collection_mode.ml
@@ -87,7 +87,7 @@ let param =
       no_arg
       ~doc:
         "Use stacktrace sampling instead of Intel PT. If Intel PT is not available, \
-         magic-trace will default to this. For more info: https://magic.trace.org/w/b"
+         magic-trace will default to this. For more info: https://magic-trace.org/w/b"
   in
   select_collection_mode ~extra_events ~use_sampling
 ;;