core/conv: Minor documentation improvements
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
diff --git a/src/conv.c b/src/conv.c
index 0416d27..00a5532 100644
--- a/src/conv.c
+++ b/src/conv.c
@@ -156,6 +156,7 @@
* \param[in] code description of convolutional code to be used
* \param[in] input array of unpacked bits (uncoded)
* \param[out] output array of unpacked bits (encoded)
+ * \return Number of produced output bits
*
* This is an all-in-one function, taking care of
* \ref osmo_conv_init, \ref osmo_conv_encode_raw and