diff --git a/Sound/Tidal/Dirt.hs b/Sound/Tidal/Dirt.hs
--- a/Sound/Tidal/Dirt.hs
+++ b/Sound/Tidal/Dirt.hs
@@ -30,7 +30,7 @@
                             S "vowel" (Just ""),
                             F "cutoff" (Just 0),
                             F "resonance" (Just 0),
-                            F "accellerate" (Just 0),
+                            F "accelerate" (Just 0),
                             F "shape" (Just 0),
                             I "kriole" (Just 0),
                             F "gain" (Just 1),
@@ -105,7 +105,7 @@
 vowel        = makeS dirt "vowel"
 cutoff       = makeF dirt "cutoff"
 resonance    = makeF dirt "resonance"
-accellerate  = makeF dirt "accellerate"
+accelerate   = makeF dirt "accelerate"
 shape        = makeF dirt "shape"
 gain         = makeF dirt "gain"
 delay        = makeF dirt "delay"
diff --git a/tidal.cabal b/tidal.cabal
--- a/tidal.cabal
+++ b/tidal.cabal
@@ -1,5 +1,5 @@
 name:                tidal
-version:             0.3.2
+version:             0.3.3
 synopsis:            Pattern language for improvised music
 -- description:         
 homepage:            http://yaxu.org/tidal/