diff --git a/src/event.bif b/src/event.bif
index 1655a52fdf..c0a6311f0e 100644
--- a/src/event.bif
+++ b/src/event.bif
@@ -5610,23 +5610,25 @@ event reporter_error%(t: time, msg: string, location: string%) &error_handler;
 ##        recursively for each ``@load``.
 event bro_script_loaded%(path: string, level: count%);
 
-# ##### Deprecated events. Proposed for removal.
-
 ## Deprecated. Will be removed.
 event stp_create_endp%(c: connection, e: int, is_orig: bool%);
 
-## Deprecated. Will be removed.
+# ##### Internal events. Not further documented.
+
+## Event internal to the stepping stone detector.
 event stp_resume_endp%(e: int%);
 
-## Deprecated. Will be removed.
+## Event internal to the stepping stone detector.
 event stp_correlate_pair%(e1: int, e2: int%);
 
-## Deprecated. Will be removed.
+## Event internal to the stepping stone detector.
 event stp_remove_pair%(e1: int, e2: int%);
 
-## Deprecated. Will be removed.
+## Event internal to the stepping stone detector.
 event stp_remove_endp%(e: int%);
 
+# ##### Deprecated events. Proposed for removal.
+
 ## Deprecated. Will be removed.
 event interconn_stats%(c: connection, os: interconn_endp_stats, rs: interconn_endp_stats%);