Stray space

Co-authored-by: Carol Willing <[email protected]>

Author: jeanas

source/specifications/pyproject-toml.rst

@@ -32,7 +32,7 @@ successfully.
 .. TODO: merge with PEP 517
 
 The ``[build-system]`` table is used to store build-related data.
-Initially,  only one key of the table is valid and is mandatory
+Initially, only one key of the table is valid and is mandatory
 for the table: ``requires``. This key must have a value of a list
 of strings representing dependencies required to execute the
 build system. The strings in this list follow the :ref:`version specifier