diff --git a/src/include/miscadmin.h b/src/include/miscadmin.h
index 2faefdd..6fd4d5e 100644
--- a/src/include/miscadmin.h
+++ b/src/include/miscadmin.h
@@ -468,9 +468,10 @@ extern void CancelBackup(void);
 
 /* in backend/utils/adt/misc.c and backend/postmaster/syslogger.c */
 /*
- * Name of file where current log messages are written when log collector is
- * enabled. Useful to find the name of the current log file when a time-based
- * rotation is defined.
+ * Name of file holding the paths, names, and types of the files where current
+ * log messages are written, when the log collector is enabled.  Useful
+ * outside of Postgres when finding the name of the current log file in the
+ * case of time-based log rotation.
  */
 #define CURRENT_LOG_FILENAME  "current_logfiles"
 
