diff --git a/include/mbedtls/net_sockets.h b/include/mbedtls/net_sockets.h
index f09f8bf3bf..38ec91b2e4 100644
--- a/include/mbedtls/net_sockets.h
+++ b/include/mbedtls/net_sockets.h
@@ -120,7 +120,7 @@ int mbedtls_net_bind( mbedtls_net_context *ctx, const char *bind_ip, const char
  * \param client_ip Will contain the client IP address, can be NULL
  * \param buf_size  Size of the client_ip buffer
  * \param ip_len    Will receive the size of the client IP written,
- *                  can be NULL if client_ip == NULL
+ *                  can be NULL if client_ip is null
  *
  * \return          0 if successful, or
  *                  MBEDTLS_ERR_NET_ACCEPT_FAILED, or