Add backend-state to README

README.md

@@ -7,10 +7,13 @@ Is is meant to "just work", without adding unnecessary and bloated language feat
 
 Basic algorithms like the fibonacci sequence should compile fine. More sophisticated programs will not work yet. See [TODO](./TODO) for a roadmap.
 
+The Sabre compiler emits JavaScript, until the language has matured sufficiently. Backends for WASM, C, x86 and ARM are planned.
+
 ## Examples
 
 ```rs
 // examples/fib.sb
+
 main :: () {
     let num = 10
     return fib(num)
@@ -23,6 +26,8 @@ fib :: (n) {
 
     return fib(n-1) + fib(n-2)
 }
+
+// -> 55
 ```
 
 ## License