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-rw-r--r--src/or/connection_or.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/or/connection_or.c b/src/or/connection_or.c
index 8aec5d2886..6a2f2432e2 100644
--- a/src/or/connection_or.c
+++ b/src/or/connection_or.c
@@ -2099,7 +2099,8 @@ connection_or_send_auth_challenge_cell(or_connection_t *conn)
*
* If <b>server</b> is false and <b>signing_key</b> is provided, calculate the
* entire authenticator, signed with <b>signing_key</b>.
- * DOCDOC return value
+ *
+ * Return the length of the cell body on success, and -1 on failure.
*/
int
connection_or_compute_authenticate_cell_body(or_connection_t *conn,