diff --git a/dequeue.cabal b/dequeue.cabal
--- a/dequeue.cabal
+++ b/dequeue.cabal
@@ -1,7 +1,7 @@
 Build-Type: Simple
 Name: dequeue
 Category: Data Structures
-Version: 0.1.11
+Version: 0.1.12
 Cabal-Version: >= 1.9.2
 Synopsis: A typeclass and an implementation for double-ended queues.
 Description:
diff --git a/src/Data/Dequeue.hs b/src/Data/Dequeue.hs
--- a/src/Data/Dequeue.hs
+++ b/src/Data/Dequeue.hs
@@ -68,7 +68,7 @@
     -- | Returns 'True' if this queue is empty.
     null :: q a -> Bool
 #if !MIN_VERSION_base(4,8,0)
-        -- | Returns the number of elements in this queue.
+    -- | Returns the number of elements in this queue.
     length :: q a -> Int
 #endif
     -- | Returns the item on the front of the queue.