diff --git a/.pydocstylerc b/.pydocstylerc
new file mode 100644
index 0000000..5ee9f44
--- /dev/null
+++ b/.pydocstylerc
@@ -0,0 +1,3 @@
+[pydocstyle]
+add_ignore=D100,D103,D104
+
diff --git a/Makefile b/Makefile
index bafd245..c35bcae 100644
--- a/Makefile
+++ b/Makefile
@@ -24,6 +24,7 @@ coverage_report:
 
 lint:
 	pipenv run pycodestyle stw_potsdam tests
+	pipenv run pydocstyle stw_potsdam tests
 
 clean:
 	pipenv run python -m coverage erase
diff --git a/Pipfile b/Pipfile
index 19ccb00..21537c7 100644
--- a/Pipfile
+++ b/Pipfile
@@ -9,4 +9,4 @@ coveralls = "*"
 pytest-cov = "*"
 httpretty = "*"
 pycodestyle = "*"
-
+pydocstyle = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index 3551593..35cbe67 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "7d175b6dd121a91ba3e19ab1d19cf724275d1de5bb682dba5ea0d337fc011ba4"
+            "sha256": "ad82ccff3933aa2cdd75b23bbb9412e934fbff964352d7179cfa02d3b5fbd182"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -200,6 +200,14 @@
             ],
             "version": "==3.0.4"
         },
+        "configparser": {
+            "hashes": [
+                "sha256:5bd5fa2a491dc3cfe920a3f2a107510d65eceae10e9c6e547b90261a4710df32",
+                "sha256:c114ff90ee2e762db972fa205f02491b1f5cf3ff950decd8542c62970c9bedac",
+                "sha256:df28e045fbff307a28795b18df6ac8662be3219435560ddb068c283afab1ea7a"
+            ],
+            "version": "==3.7.1"
+        },
         "coverage": {
             "hashes": [
                 "sha256:09e47c529ff77bf042ecfe858fb55c3e3eb97aac2c87f0349ab5a7efd6b3939f",
@@ -359,6 +367,15 @@
             ],
             "version": "==2.19"
         },
+        "pydocstyle": {
+            "hashes": [
+                "sha256:2258f9b0df68b97bf3a6c29003edc5238ff8879f1efb6f1999988d934e432bd8",
+                "sha256:5741c85e408f9e0ddf873611085e819b809fca90b619f5fd7f34bd4959da3dd4",
+                "sha256:ed79d4ec5e92655eccc21eb0c6cf512e69512b4a97d215ace46d17e4990f2039"
+            ],
+            "index": "pypi",
+            "version": "==3.0.0"
+        },
         "pyopenssl": {
             "hashes": [
                 "sha256:aeca66338f6de19d1aa46ed634c3b9ae519a64b458f8468aec688e7e3c20f200",
@@ -415,6 +432,13 @@
             ],
             "version": "==1.12.0"
         },
+        "snowballstemmer": {
+            "hashes": [
+                "sha256:919f26a68b2c17a7634da993d91339e288964f93c274f1343e3bbbe2096e1128",
+                "sha256:9f3bcd3c401c3e862ec0ebe6d2c069ebc012ce142cce209c098ccb5b09136e89"
+            ],
+            "version": "==1.2.1"
+        },
         "urllib3": {
             "hashes": [
                 "sha256:61bf29cada3fc2fbefad4fdf059ea4bd1b4a86d2b6d15e1c7c0b582b9752fe39",
diff --git a/tests/stub_api.py b/tests/stub_api.py
index 1e4fd5e..9cd99ed 100644
--- a/tests/stub_api.py
+++ b/tests/stub_api.py
@@ -18,8 +18,9 @@ def api_offline():
 @pytest.fixture
 def api_online_one_shot():
     """Allow a single API request, returning the contents of 'input.json'.
-    Subsequent API invocations will return with HTTP status code 500."""
 
+    Subsequent API invocations will return with HTTP status code 500.
+    """
     def canned_menu(request, uri, response_headers):
         path = os.path.join(os.path.dirname(__file__),
                             'resources', 'input.json')