Add a missing comment.

diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c
index d39817c042b51a4994a79a704203026611e76c6c..cc4379762d84191b8a5a2685611c7229e24070d9 100644 (file)
--- 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)
 {