Link to "Choosing a build backend"

Author: jeanas

source/guides/writing-pyproject-toml.rst

@@ -51,8 +51,9 @@ list of dependencies needed to build the project -- this is typically just the
 build backend package, but it may also contain additional dependencies. You can
 also constrain the versions, e.g., ``requires = ["setuptools >= 61.0"]``.
 
-Usually, you'll just copy what your build backend's documentation suggests. Here
-are the values for some common build backends:
+Usually, you'll just copy what your build backend's documentation
+suggests (after :ref:`choosing your build backend <choosing-build-backend>`).
+Here are the values for some common build backends:
 
 .. tab:: Hatchling
 

source/tutorials/packaging-projects.rst

@@ -103,6 +103,8 @@ Creating a test directory
 :file:`tests/` is a placeholder for test files. Leave it empty for now.
 
 
+.. _choosing-build-backend:
+
 Choosing a build backend
 ------------------------