improve readme

wasmx · May 22, 2020 · deff052 · deff052
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diff --git a/README.md b/README.md
@@ -40,10 +40,14 @@ $ cmake --build .
 This will build Fizzy as a library and since there is no public API
 (the so called *embedder API* in WebAssembly) yet, this is not very useful.
 
+## WASI
+
 Building with the `FIZZY_WASI` option will output a `fizzy-wasi` binary implementing
 the [WASI] API (`wasi_snapshot_preview1` to be precise).
 This can be used to execute WASI-compatible binaries on the command line.
 
+## Testing tools
+
 Building with the `FIZZY_TESTING` option will output a few useful utilities:
 
 ```sh