f fix readme further

Author: TheBlueMatt

c-bindings-gen/README.md

@@ -1,10 +1,10 @@
 LDK C Bindings Generator
 ========================
 
-This program parses a single-file-lib.rs Rust crate's AST passed in on stdin and generates a second
-crate which is C-callable (and carries appropriate annotations for cbindgen). It is usually invoked
-via the `genbindings.sh` script in the top-level directory, which converts the lightning crate into
-a single file with a call to
+This program parses a Rust crate's AST from a single lib.rs passed in on stdin and generates a
+second crate which is C-callable (and carries appropriate annotations for cbindgen). It is usually
+invoked via the `genbindings.sh` script in the top-level directory, which converts the lightning
+crate into a single file with a call to
 `RUSTC_BOOTSTRAP=1 cargo rustc --profile=check -- -Zunstable-options --pretty=expanded`.
 
 `genbindings.sh` requires that you have a rustc installed with the `wasm32-wasi` target available