Update src/doc/rustc/src/platform-support/wasm32-unknown-emscripten.md

Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>

Author: juntyr

src/doc/rustc/src/platform-support/wasm32-unknown-emscripten.md

@@ -16,11 +16,10 @@ One existing user of this target is the
 WebAssembly using Emscripten and compiles Python extension modules written in Rust
 to the `wasm32-unknown-emscripten` target.
 
-If you want to generate a standalone bare-bones WebAssembly binary that does not
-require JS glue code and access to the web APIs and can thus run outside the web,
+If you want to generate a standalone WebAssembly binary that does not
+require access to the web APIs or the Rust standard library,
 the [`wasm32-unknown-unknown`](./wasm32-unknown-unknown.md) target may be better
-suited for you. However, [`wasm32-unknown-unknown`](./wasm32-unknown-unknown.md)
-only has partial support for the Rust standard library and does not (easily)
+suited for you. However, [`wasm32-unknown-unknown`](./wasm32-unknown-unknown.md) does not (easily)
 support interop with C/C++ code.
 
 Like Emscripten, the WASI targets [`wasm32-wasip1`](./wasm32-wasip1.md) and