rescue-streams: Document a cryptic looking condition

diff --git a/src/modules/module-rescue-streams.c b/src/modules/module-rescue-streams.c
index e20fdf8..501b5c0 100644 (file)
--- a/src/modules/module-rescue-streams.c
+++ b/src/modules/module-rescue-streams.c
@@ -226,6 +226,7 @@ static pa_source* find_evacuation_source(pa_core *c, pa_source_output *o, pa_sou
         if (target == skip)
             continue;
 
+        /* We only move to a monitor source if we're already on one */
         if (skip && !target->monitor_of != !skip->monitor_of)
             continue;