Use double backticks

Author: hoodmane

peps/pep-0776.rst

@@ -706,10 +706,10 @@ versions of Python, Node.js, and Emscripten.
 Package Installers
 ~~~~~~~~~~~~~~~~~~
 
-Installers should use the `_emscripten_platforms()` function shown above to
+Installers should use the ``_emscripten_platforms()`` function shown above to
 determine which platforms are compatible with an Emscripten build of CPython. In
 particular, the Pyodide ABI version is exposed via
-`sysconfig.get_config_var("PYODIDE_ABI_VERSION")`.
+``sysconfig.get_config_var("PYODIDE_ABI_VERSION")``.
 
 
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