1 files changed, 7 insertions, 3 deletions

diff --git a/README.md b/README.md
index 2c6edec..daa86c1 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,11 @@
 a mini POSIX C shell for \*NIX dudes.
 
 ### help screen
-```c
-// todo
-```
+
+built-ins:
+- `echo`  -> outputs a string of text, doesn't need `\"` enclosure.
+             supports '-c' for output without `\\n'`
+- `clear` -> clears screen (and scrollback)
+- `cd`    -> change working directory
+- `help`  -> prints this screen