diff --git a/demos/demo_sftp.py b/demos/demo_sftp.py
index b79bc50..a823fb3 100755
--- a/demos/demo_sftp.py
+++ b/demos/demo_sftp.py
@@ -66,6 +66,7 @@ try:
     host_keys = paramiko.util.load_host_keys(os.path.expanduser('~/.ssh/known_hosts'))
 except IOError:
     try:
+        # try ~/ssh/ too, because windows can't have a folder named ~/.ssh/
         host_keys = paramiko.util.load_host_keys(os.path.expanduser('~/ssh/known_hosts'))
     except IOError:
         print '*** Unable to open host keys file'
diff --git a/demos/demo_simple.py b/demos/demo_simple.py
index 691457e..5bcc214 100755
--- a/demos/demo_simple.py
+++ b/demos/demo_simple.py
@@ -66,6 +66,7 @@ try:
     host_keys = paramiko.util.load_host_keys(os.path.expanduser('~/.ssh/known_hosts'))
 except IOError:
     try:
+        # try ~/ssh/ too, because windows can't have a folder named ~/.ssh/
         host_keys = paramiko.util.load_host_keys(os.path.expanduser('~/ssh/known_hosts'))
     except IOError:
         print '*** Unable to open host keys file'