diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -3,3 +3,6 @@
 
 0.1.5.0 - added Control.Varying.Spline
 0.2.0.0 - reordered spline type variables for MonadTrans
+0.3.0.0 - updated the type of mapOutput to a more friendly, usable signature
+          bug fixes
+
diff --git a/varying.cabal b/varying.cabal
--- a/varying.cabal
+++ b/varying.cabal
@@ -10,13 +10,13 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.3.0.0
+version:             0.3.0.1
 
 -- A short (one-line) description of the package.
 synopsis:            FRP through value streams and monadic splines.
 
 -- A longer description of the package.
-description:         Varying is a FRP implentation aimed at providing a
+description:         Varying is a FRP library aimed at providing a
                      simple way to describe values that change over a domain.
                      It allows monadic, applicative and arrow notation and has
                      convenience functions for tweening.