diff --git a/man/process/process.pidof.3lua.scd b/man/process/process.pidof.3lua.scd
index 9b3b82a..8cf70e9 100644
--- a/man/process/process.pidof.3lua.scd
+++ b/man/process/process.pidof.3lua.scd
@@ -14,6 +14,16 @@ the first process found with the command name _cmd_ is returned.
 
 If a process could not be found, *process.pidof* returns nil.
 
+# BUGS
+*process.pidof* depends on the nonportable program pgrep(1).
+This program can be found in the procps-ng package on Linux
+included in most distributions, or as part of the base system
+on OpenBSD, NetBSD and FreeBSD.
+
+Work is being done to free *process.pidof* of this burden;
+follow along with the tracking ticket for any updates
+<*https://todo.sr.ht/~jeremy/callisto/7*>.
+
 # EXAMPLES
 Flawed implementation of *process.pid*: