Merge pull request #13870 from sazsu/pythonpath-doc-fix

docs: fix mistakes in explanation/pythonpath

Author: bluetech

doc/en/explanation/pythonpath.rst

@@ -49,7 +49,7 @@ these values:
   we advocate for using :ref:`src-layouts <src-layout>`.
 
   Same as ``prepend``, requires test module names to be unique when the test directory tree is
-  not arranged in packages, because the modules will put in :py:data:`sys.modules` after importing.
+  not arranged in packages, because the modules will be put in :py:data:`sys.modules` after importing.
 
 .. _`import-mode-importlib`:
 
@@ -152,7 +152,7 @@ this case ``foo/``). To load the module, it will insert ``root/``  to the front
 The same logic applies to the ``conftest.py`` file: it will be imported as ``foo.conftest`` module.
 
 Preserving the full package name is important when tests live in a package to avoid problems
-and allow test modules to have duplicated names. This is also discussed in details in
+and allow test modules to have duplicated names. This is also discussed in detail in
 :ref:`test discovery`.
 
 Standalone test modules / ``conftest.py`` files
@@ -182,7 +182,7 @@ with the ``conftest.py`` file by adding ``root/foo`` to :py:data:`sys.path` to i
 For this reason this layout cannot have test modules with the same name, as they all will be
 imported in the global import namespace.
 
-This is also discussed in details in :ref:`test discovery`.
+This is also discussed in detail in :ref:`test discovery`.
 
 .. _`pytest vs python -m pytest`: