Address Russel's comments

Author: hoodmane

peps/pep-0783.rst

@@ -18,7 +18,8 @@ distributions for the Pyodide Python runtime.
 `Emscripten <https://emscripten.org/>`__ is a complete open source compiler
 toolchain. It compiles C/C++ code into WebAssembly/JavaScript executables, for
 use in JavaScript runtimes, including browsers and Node.js. The Rust language
-also maintains an Emscripten target.
+also maintains an Emscripten target. :pep:`776` specifies Python's support for
+Emscripten.
 
 
 Motivation
@@ -106,10 +107,13 @@ compiler and passing appropriate compiler and linker flags. It is possible for
 other people to build their own Python interpreter that is compatible with the
 Pyodide ABI, it is not necessary to use the Pyodide distribution itself.
 
-The ``pyodide build`` tool knows how to create wheels that match our ABI. Unlike
-with manylinux wheels, there is no need for a Docker container to build the
-``pyodide_<abi>`` wheels. All that is needed is a Linux machine and appropriate
-versions of Python, Node.js, and Emscripten.
+THe Pyodide ABIs are fully specified in the `Pyodide Platform ABI
+<https://pyodide.org/en/stable/development/abi.html>`__ documentation.
+
+The ``pyodide build`` tool knows how to create wheels that match the Pyoidde
+ABI. Unlike with manylinux wheels, there is no need for a Docker container to
+build the ``pyodide_<abi>`` wheels. All that is needed is a Linux machine and
+appropriate versions of Python, Node.js, and Emscripten.
 
 It is possible to validate a wheel by installing and importing it into the
 Pyodide runtime. Because Pyodide can run in an environment with strong