diff --git a/uart_module.c b/uart_module.c
index 6fa0926..c4cbc2a 100644
--- a/uart_module.c
+++ b/uart_module.c
@@ -3,7 +3,7 @@
 volatile static uint8_t rx_buffer[RX_BUFFER_SIZE] = {0};
 volatile static uint16_t rx_count = 0;
 volatile static uint8_t uart_tx_busy = 1;
-
+// кольцевой буффер
 ISR(USART_RX_vect){
 	
 	volatile static uint16_t rx_write_pos = 0;