diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 1788b4e..6a506e6 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -118,7 +118,7 @@ To regenerate fixture remove it from tests/fixtures and run tests again::
     $ rm tests/fixtures/NAME.yaml
     $ py.test
 
-In order for py.test to have run, you will have had to create an environment variable containing a valid tiingo API key so that the test runner can make a valid api call.  One way to do that is to::
+In order for py.test to run, you will have had to create an environment variable containing a valid tiingo API key so that the test runner can make a valid api call.  One way to do that is to::
 
     $ export TIINGO_API_KEY='...insert api key here...'
 
diff --git a/tools/api_key_tool.py b/tools/api_key_tool.py
index c2d260f..1d42d09 100644
--- a/tools/api_key_tool.py
+++ b/tools/api_key_tool.py
@@ -9,10 +9,6 @@ zeroapiregex = r'(\[Token )0{40}(\])'
 anyapiregex = r'(\[Token ).{40}(\])'
 zeroapistring = '[Token '+40*'0'+']'
 
-parser = argparse.ArgumentParser()
-parser.add_argument("path", help="path to test fixtures",
-                    nargs='?', default=fixturesDirectory)
-args = parser.parse_args()
 
 def api_key_detector(file):
     '''
@@ -55,4 +51,8 @@ def main(path):
     print("Changed {} files.".format(nFilesChanged))
 
 if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+    parser.add_argument("path", help="path to test fixtures",
+                        nargs='?', default=fixturesDirectory)
+    args = parser.parse_args()
     main(args.path)