diff --git a/README.md b/README.md
index 492bd24..03fcf4a 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,11 @@
 # OpenEuphoria Cheat Sheet  v0.0.1
 
+## Data Types  
+
+*atom* : Holds any number.  
+*sequence* : Holds a dynamically resizeable list of objects  
+*integer* : Holds 30-bit signed integers; faster than atom  
+*object* : Holds any of the above.  
 
 ## User input: