reword answer

1 files changed, 6 insertions, 4 deletions

diff --git a/assignments/2/README.md b/assignments/2/README.md
index 394e4b0..89acd8e 100644
--- a/assignments/2/README.md
+++ b/assignments/2/README.md
@@ -19,10 +19,12 @@ and articles from other sources. In your own words, explain how TCP
 provides a reliable data transfer service.
 
 TCP uses a 3-way handshake to establish a connection from client to
-server. It has built in error detection and correction for corrupted
-data, sequencing to ensure data is reassembled in order, the ability to
-retransmit data due to network errors, just-in-time traffic/congestion
-management.
+server. It has built in error detection for corrupted data, sequencing
+to ensure data is reassembled in order, the ability to retransmit data
+due to network errors, just-in-time traffic/congestion management.
+
+TCP uses ACK packets to acknowledge that it has received segments and uses the
+sequence numbers for keeping track of packets.
 
 ## 1.2 Go-Back-N Protocol (5%)