diff --git a/README.md b/README.md
index c107fba..eabef70 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,14 @@
 # beejava
 compiles java 'opcode' to bytecode.
 
+What is 'opcode'?
+The goal of the project is to let developers use a simplified version of standard java opcodes. For instance: 
+instead of having to choose between INVOKE_SPECIAL, INVOKE_VIRTUAL, INVOKE_DYNAMIC and INVOKE_INTERFACE, developers can just write INVOKE and the compiler will figure out the correct version to put in the class file.
+
 project status: early stage
 * At this moment a complete compile cycle is guaranteed (unittested) for a really simple class. 
 
-Code example below, but the API will change without doubt.
+Code example below, but the API will undoubtedly change. 
 
 ```
 BeeSource createEmptyClass() {