diff --git a/data-extra.cabal b/data-extra.cabal
--- a/data-extra.cabal
+++ b/data-extra.cabal
@@ -1,5 +1,5 @@
 name:                data-extra
-version:             2.5.0
+version:             2.5.1
 synopsis:            Extra utilities for working on Data.* types.
 description:         Extra utilities for working on Data.* types.
 license:             BSD3
diff --git a/src/Data/Bool/Extra.hs b/src/Data/Bool/Extra.hs
--- a/src/Data/Bool/Extra.hs
+++ b/src/Data/Bool/Extra.hs
@@ -5,10 +5,10 @@
   ,cond)
   where
 
--- | An if/else condition on the given value.
+-- | bool false true p = if p then true else false
 bool :: a -> a -> Bool -> a
 bool false true p = if p then true else false
 
--- | An if/else condition on the given value.
+-- | cond false true p v = if p v then true v else false v
 cond :: (a -> b) -> (a -> b) -> (a -> Bool) -> a -> b
 cond false true p v = if p v then true v else false v