update readme

README.md

@@ -2,11 +2,8 @@
 
 ## TODO
 
-- Finalize coding style,
+- Improve documentation
-  - **see [STYLE.md](STYLE.md)**
+- Fix cursor going in the wrong place when either user receives a message
-- Get everyone's editors set up for clangd/clang-format and git
-- Make sure everyone's compiler toolchains work
-- Assign responsibilities to each team member
 
 ## Build
 
@@ -17,11 +14,13 @@ make
 ## Usage
 
 ```
-./ct # run as server
+./ct -m server # run as server
 ```
 
 ```
-./ct client # run as client
+./ct -m client # run as client
 ```
 
+Running the program without any options will print a help page with more information.
+
 Chat logs are stored in `./server.txt` and `./client.txt`.