From c1bc6a112498ba53243cfc8ec259a9e20124d86a Mon Sep 17 00:00:00 2001
From: Mike Perry <mikeperry-git@fscked.org>
Date: Mon, 10 Dec 2012 00:36:10 -0800
Subject: [PATCH] Add a missing comment.

---
 src/or/circuitbuild.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c
index d39817c042..cc4379762d 100644
--- a/src/or/circuitbuild.c
+++ b/src/or/circuitbuild.c
@@ -1608,7 +1608,13 @@ pathbias_count_timeout(origin_circuit_t *circ)
   }
 }
 
-// XXX: DOCDOC
+/**
+ * Return the number of circuits counted as successfully closed for
+ * this guard.
+ * 
+ * Also add in the currently open circuits to give them the benefit
+ * of the doubt.
+ */
 double
 pathbias_get_closed_count(entry_guard_t *guard)
 {