diff --git a/devstack/env.py b/devstack/env.py
index c84d6619..05860ba9 100644
--- a/devstack/env.py
+++ b/devstack/env.py
@@ -35,7 +35,6 @@ def get():
 def set(k, v):
     #this is really screwy, python is really odd in this area
     #from http://docs.python.org/library/os.html
-    #Note Calling putenv() directly does not change os.environ, so it’s better to modify os.environ.
     if k is not None:
         os.environ[str(k)] = str(v)
 
diff --git a/devstack/env_rc.py b/devstack/env_rc.py
index 441904a7..5b39c2a6 100644
--- a/devstack/env_rc.py
+++ b/devstack/env_rc.py
@@ -49,6 +49,7 @@ OS_TENANT_NAME = 'demo'
 OS_USERNAME = 'demo'
 OS_AUTH_PORT = 5000
 
+#how we know if a line is an export or if it isn't
 EXP_PAT = re.compile("^export (.*?)=(.*?)$", re.IGNORECASE)