Fix trans_has_conn() doxygen description
Change-Id: Ica5e498e03d0a157a661e428dfd68739f572d073
diff --git a/src/libmsc/transaction.c b/src/libmsc/transaction.c
index f62d6b4..df770ed 100644
--- a/src/libmsc/transaction.c
+++ b/src/libmsc/transaction.c
@@ -216,7 +216,7 @@
/*! Check if we have any transaction for given connection
* \param[in] conn Connection to check
- * \returns 1 in case there is a transaction, 0 otherwise
+ * \returns transaction pointer if found, NULL otherwise
*/
struct gsm_trans *trans_has_conn(const struct ran_conn *conn)
{