diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,10 +1,17 @@
+# 0.6.1
+
+* Documentation improvements.
+
+* Compatible with GHC 8.8.
+
+
 # 0.6
 
 * COMPILER ASSISTED BREAKING CHANGE. `pFail` was removed in favour of
   `fail` from `Monad` of `MonadFail`.
 
-* Added instances for `Parser`: `Semigroup`, `Monoid`, `Selective`, `MonadFix`,
-  `MonadZip`.
+* Added instances for `Parser`: `Semigroup`, `Monoid`, `Selective`,
+  `MonadFix`, `MonadZip`.
 
 * Documentation improvements.
 
diff --git a/lib/Xmlbf.hs b/lib/Xmlbf.hs
--- a/lib/Xmlbf.hs
+++ b/lib/Xmlbf.hs
@@ -322,8 +322,10 @@
     (s1, a) <- unParser pa s0
     unParser (kpb a) s1)
   {-# INLINABLE (>>=) #-}
+#if !MIN_VERSION_base(4,13,0)
   fail = pFail
   {-# INLINE fail #-}
+#endif
 
 #if MIN_VERSION_base(4,9,0)
 instance Control.Monad.Fail.MonadFail Parser where
@@ -336,7 +338,7 @@
 pFail = \msg -> Parser (\_ -> Left msg)
 {-# INLINE pFail #-}
 
--- | @'mzero' ma mb@ backtracks the internal parser state before running @mb@.
+-- | @'mplus' ma mb@ backtracks the internal parser state before running @mb@.
 instance MonadPlus Parser where
   mzero = empty
   {-# INLINE mzero #-}
diff --git a/xmlbf.cabal b/xmlbf.cabal
--- a/xmlbf.cabal
+++ b/xmlbf.cabal
@@ -1,5 +1,5 @@
 name: xmlbf
-version: 0.6
+version: 0.6.1
 synopsis: XML back and forth! Parser, renderer, ToXml, FromXml, fixpoints.
 description: XML back and forth! Parser, renderer, ToXml, FromXml, fixpoints.
 homepage: https://gitlab.com/k0001/xmlbf