Fix cryptography minimum version
diff --git a/setup.py b/setup.py
index c921136..a108f14 100755
--- a/setup.py
+++ b/setup.py
@@ -94,6 +94,7 @@
         packages=find_packages(where="src"),
         package_dir={"": "src"},
         install_requires=[
+            # Fix cryptographyMinimum in tox.ini when changing this!
             "cryptography>=1.2",
             "six>=1.5.2"
         ],