Clarify doc on tell_event_loop_to_run_external_code()

1 files changed, 2 insertions, 1 deletions

diff --git a/src/or/main.c b/src/or/main.c
index 5510df253a..a615a6be00 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -648,7 +648,8 @@ connection_should_read_from_linked_conn(connection_t *conn)
 
 /** If we called event_base_loop() and told it to never stop until it
  * runs out of events, now we've changed our mind: tell it we want it to
- * finish. */
+ * exit once the current round of callbacks is done, so that we can
+ * run external code, and then return to the main loop. */
 void
 tell_event_loop_to_run_external_code(void)
 {