include/tinyara/netmgr: fix typo
fix a typo in the comment
@@ -114,7 +114,7 @@ struct netdev_config {
struct netdev *netdev_register(struct netdev_config *config);
/*
* DESC:
- * NIC driver should call following fuction to pass the incoming data to network stack.
+ * NIC driver should call following function to pass the incoming data to network stack.
* if NET_NETMGR_ZEROCOPY is enabled then data is lwIP pbuf not to do memory copy.
* On NET_NETMGR_ZEROCOPY if netdev_input return error then the caller should free data by itself.
* PARAMETER
