[Nice] [nice/master] Make the length of ufrag/passwd clear in doc

[Olivier Crête]

---
 agent/agent.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/agent/agent.c b/agent/agent.c
index 9443a7a..e8bab38 100644
--- a/agent/agent.c
+++ b/agent/agent.c
@@ -1042,7 +1042,9 @@ static gboolean priv_add_remote_candidate (
  * @agent: a NiceAgent
  * @stream_id: identifier returnedby nice_agent_add_stream()
  * @ufrag: NULL-terminated string containing an ICE username fragment
+ *    (length must be between 22 and 256 chars)
  * @pwd: NULL-terminated string containing an ICE password
+ *    (length must be between 4 and 256 chars)
  *
  * @return TRUE on success
  */
-- 
1.5.6.5