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-rw-r--r--lib/Plack/Middleware/Throttle.pm2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Plack/Middleware/Throttle.pm b/lib/Plack/Middleware/Throttle.pm
index 25b2aad..3100325 100644
--- a/lib/Plack/Middleware/Throttle.pm
+++ b/lib/Plack/Middleware/Throttle.pm
@@ -212,6 +212,8 @@ or
 
 The cache object must implement B<get>, B<set> and B<incr> methods. By default, you can use C<Plack::Middleware::Throttle::Backend::Hash>.
 
+By default, if no backend is specified, L<Plack::Middleware::Throttle::Backend::Hash> is used.
+
 =item B<key_prefix>
 
 Key to prefix sessions entry in the cache.