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-rw-r--r--include/asterisk/channel.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asterisk/channel.h b/include/asterisk/channel.h
index 59145fc08..1025e7293 100644
--- a/include/asterisk/channel.h
+++ b/include/asterisk/channel.h
@@ -1426,7 +1426,7 @@ const struct ast_channel_tech *ast_get_channel_tech(const char *name);
* \note This function performs a hard hangup on a channel. Unlike the soft-hangup, this function
* performs all stream stopping, etc, on the channel that needs to end.
* chan is no longer valid after this call.
- * \param chan channel to hang up
+ * \param chan channel to hang up (NULL tolerant)
* \return Nothing
*/
void ast_hangup(struct ast_channel *chan);