diff --git a/pep-0587.rst b/pep-0587.rst
index 5830c026f..96f88b995 100644
--- a/pep-0587.rst
+++ b/pep-0587.rst
@@ -27,7 +27,7 @@ an opt-out options. For example, environment variables, command line
 arguments and global configuration variables are ignored by default.
 
 Building a customized Python which behaves as the regular Python becomes
-easier using the new ``Py_RunMain()`` functions. Moreover, using the
+easier using the new ``Py_RunMain()`` function. Moreover, using the
 `Python Configuration`_, ``PyConfig.argv`` arguments are now parsed the
 same way the regular Python parses command line arguments, and
 ``PyConfig.xoptions`` are handled as ``-X opt`` command line options.