diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,16 @@
 Brick changelog
 ---------------
 
+0.21
+----
+
+Package changes:
+ * Upgrade to word-wrap 0.2
+
+Other changes:
+ * Brick.Types.Internal: improve mouse constructor haddock
+ * Add a basic fill demonstration program (FillDemo.hs)
+
 0.20.1
 ------
 
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -45,6 +45,19 @@
 └────────────────────────┘
 ```
 
+Featured Projects
+-----------------
+
+To give you an idea of what some people have done with `brick`, take a
+look at these projects:
+
+ * `tetris`: https://github.com/SamTay/tetris
+ * `gotta-go-fast`, a typing tutor: https://github.com/hot-leaf-juice/gotta-go-fast
+ * `haskell-player`, an `afplay` frontend: https://github.com/potomak/haskell-player
+ * `mushu`, an `MPD` client: https://github.com/elaye/mushu
+ * `matterhorn`, a client for [Mattermost](https://about.mattermost.com/): https://github.com/matterhorn-chat/matterhorn
+ * `viewprof`, a GHC profile viewer: https://github.com/maoe/viewprof
+
 Getting Started
 ---------------
 
diff --git a/brick.cabal b/brick.cabal
--- a/brick.cabal
+++ b/brick.cabal
@@ -1,5 +1,5 @@
 name:                brick
-version:             0.20.1
+version:             0.21
 synopsis:            A declarative terminal user interface library
 description:
   Write terminal applications painlessly with 'brick'! You write an
@@ -34,7 +34,7 @@
 copyright:           (c) Jonathan Daugherty 2015-2016
 category:            Graphics
 build-type:          Simple
-cabal-version:       >=1.10
+cabal-version:       >=1.18
 Homepage:            https://github.com/jtdaugherty/brick/
 Bug-reports:         https://github.com/jtdaugherty/brick/issues
 
@@ -94,7 +94,7 @@
                        text-zipper >= 0.7.1,
                        template-haskell,
                        deepseq >= 1.3 && < 1.5,
-                       word-wrap
+                       word-wrap >= 0.2
 
 executable brick-readme-demo
   if !flag(demos)
@@ -285,6 +285,19 @@
                        text,
                        microlens >= 0.3.0.0,
                        microlens-th
+
+executable brick-fill-demo
+  if !flag(demos)
+    Buildable: False
+  hs-source-dirs:      programs
+  ghc-options:         -threaded -Wall -fno-warn-unused-do-bind -O3
+  default-language:    Haskell2010
+  main-is:             FillDemo.hs
+  build-depends:       base <= 5,
+                       brick,
+                       vty >= 5.15,
+                       text,
+                       microlens
 
 executable brick-hello-world-demo
   if !flag(demos)
diff --git a/programs/FillDemo.hs b/programs/FillDemo.hs
new file mode 100644
--- /dev/null
+++ b/programs/FillDemo.hs
@@ -0,0 +1,12 @@
+module Main where
+
+import Brick
+
+ui :: Widget ()
+ui = vBox [ str "This text is at the top."
+          , fill ' '
+          , str "This text is at the bottom."
+          ]
+
+main :: IO ()
+main = simpleMain ui
diff --git a/src/Brick/Types/Internal.hs b/src/Brick/Types/Internal.hs
--- a/src/Brick/Types/Internal.hs
+++ b/src/Brick/Types/Internal.hs
@@ -204,10 +204,12 @@
                     -- ^ The event was an application event.
                     | MouseDown n Button [Modifier] Location
                     -- ^ A mouse-down event on the specified region was
-                    -- received.
+                    -- received. The 'n' value is the resource name of
+                    -- the clicked widget (see 'clickable').
                     | MouseUp n (Maybe Button) Location
                     -- ^ A mouse-up event on the specified region was
-                    -- received.
+                    -- received. The 'n' value is the resource name of
+                    -- the clicked widget (see 'clickable').
                     deriving (Show, Eq)
 
 data RenderState n =
diff --git a/src/Brick/Widgets/Core.hs b/src/Brick/Widgets/Core.hs
--- a/src/Brick/Widgets/Core.hs
+++ b/src/Brick/Widgets/Core.hs
@@ -103,7 +103,7 @@
 import qualified Graphics.Vty as V
 import Control.DeepSeq
 
-import Text.Wrap (wrapTextToLines)
+import Text.Wrap (wrapTextToLines, defaultWrapSettings)
 
 import Brick.Types
 import Brick.Types.Internal
@@ -214,7 +214,7 @@
 txtWrap s =
     Widget Fixed Fixed $ do
       c <- getContext
-      let theLines = fixEmpty <$> wrapTextToLines (c^.availWidthL) s
+      let theLines = fixEmpty <$> wrapTextToLines defaultWrapSettings (c^.availWidthL) s
           fixEmpty l | T.null l = " "
                      | otherwise = l
       case force theLines of
diff --git a/src/Brick/Widgets/Edit.hs b/src/Brick/Widgets/Edit.hs
--- a/src/Brick/Widgets/Edit.hs
+++ b/src/Brick/Widgets/Edit.hs
@@ -4,7 +4,7 @@
 {-# LANGUAGE MultiParamTypeClasses #-}
 -- | This module provides a basic text editor widget. You'll need to
 -- embed an 'Editor' in your application state and transform it with
--- 'handleEvent' when relevant events arrive. To get the contents
+-- 'handleEditorEvent' when relevant events arrive. To get the contents
 -- of the editor, just use 'getEditContents'. To modify it, use the
 -- 'Z.TextZipper' interface with 'applyEdit'.
 --