updated pbtest link

docs/advanced.rst

@@ -1533,7 +1533,7 @@ Generating documentation using Sphinx
 
 Sphinx [#f4]_ has the ability to inspect the signatures and documentation
 strings in pybind11-based extension modules to automatically generate beautiful
-documentation in a variety formats. The pbtest repository [#f5]_ contains a
+documentation in a variety formats. The python_example repository [#f5]_ contains a
 simple example repository which uses this approach.
 
 There are two potential gotchas when using this approach: first, make sure that
@@ -1561,4 +1561,4 @@ work, it is important that all lines are indented consistently, i.e.:
     )mydelimiter");
 
 .. [#f4] http://www.sphinx-doc.org
-.. [#f5] http://github.com/pybind/pbtest
+.. [#f5] http://github.com/pybind/python_example

docs/compiling.rst

@@ -7,9 +7,9 @@ Building with setuptools
 For projects on PyPI, building with setuptools is the way to go. Sylvain Corlay
 has kindly provided an example project which shows how to set up everything,
 including automatic generation of documentation using Sphinx. Please refer to
-the [pbtest]_ repository.
+the [python_example]_ repository.
 
-.. [pbtest] https://github.com/pybind/pbtest
+.. [python_example] https://github.com/pybind/python_example
 
 Building with cppimport
 ========================