diff --git a/README.md b/README.md
index 52f6534..825f3bf 100644
--- a/README.md
+++ b/README.md
@@ -326,7 +326,7 @@ Retransmission of lost packets is possible in TCP, but not in UDP. | There is no
| 6 | Data Link Layer | - Framing, error detection and correction, acknowledgment, flow control, ensuring well-defined reliable service interface to the network layer, encapsulating packets from network layer to frames, etc
**-** Form **Frames** | Bridge, Switch, Ethernet, PPP, HDLC |
| 7 | Physical Layer | **-** Controls the way unstructured, raw, bit-stream data is sent and received over a physical medium.
**-** Composed of the electrical, optical, and physical components of the network.
**-** Form **Bits** | Coax, Fiber, Wireless, RJ45, Bluetooth |
-
+