diff --git a/modules/journalwatch.nix b/modules/journalwatch.nix
index 0f26a88..0b0236c 100644
--- a/modules/journalwatch.nix
+++ b/modules/journalwatch.nix
@@ -160,6 +160,7 @@
           \[\S+ \S+\] NOTICE: Finishing \.\.\.
           \[\S+ \S+\] NOTICE: exiting, bye-bye!
           # Ignore: At least one idle child was left.
+          # TODO: Occasionally check how often this warning is logged.
           \[\S+ \S+\] WARNING: \[pool www\] seems busy \(you may need to increase pm\.start_servers, or pm\.min/max_spare_servers\), spawning [0-9]+ children, there are [1-9][0-9]* idle, and [0-9]+ total children
           \[\S+ \S+\] WARNING: \[pool www\] seems busy \(you may need to increase pm\.start_servers, or pm\.min/max_spare_servers\), spawning [1-9][0-9]* children, there are 0 idle, and [0-9]+ total children
           #