diff --git a/.travis.yml b/.travis.yml
index f6dd4cca..80f6e477 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,7 +16,7 @@ cache:
 before_install:
   - sudo apt-get install texlive texlive-latex-extra latexmk dvipng
   - pip install --upgrade pip setuptools  # Upgrade pip and setuptools to get ones with `wheel` support
-  - pip install pytest pytest-cov numpy matplotlib sphinx${SPHINX_SPEC} codecov
+  - pip install pytest pytest-cov pydocstyle numpy matplotlib sphinx${SPHINX_SPEC} codecov
 script:
   - |
     python setup.py sdist
@@ -28,6 +28,7 @@ script:
   - echo '! python -m numpydoc numpydoc.tests.test_main._invalid_docstring' | bash
   - python -m numpydoc --validate numpydoc.tests.test_main._capture_stdout
   - echo '! python -m numpydoc --validate numpydoc.tests.test_main._docstring_with_errors' | bash
+  - pydocstyle --convention numpy ../doc/example.py
   # Build documentation
   - |
     cd ../doc
diff --git a/doc/example.py b/doc/example.py
index c051d4f2..33c55ccb 100644
--- a/doc/example.py
+++ b/doc/example.py
@@ -1,6 +1,7 @@
-"""This is the docstring for the example.py module.  Modules names should
-have short, all-lowercase names.  The module name may have underscores if
-this improves readability.
+"""Docstring for the example.py module.
+
+Modules names should have short, all-lowercase names.  The module name may
+have underscores if this improves readability.
 
 Every module should have a docstring at the very top of the file.  The
 module's docstring may extend over multiple lines.  If your docstring does
@@ -35,7 +36,7 @@
 
 
 def foo(var1, var2, long_var_name='hi'):
-    r"""A one-line summary that does not use variable names.
+    r"""Summarize the function in one line.
 
     Several sentences providing an extended description. Refer to
     variables using back-ticks, e.g. `var`.