diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+## 2.1.2.1
+
+Documentation typo fix
+
 ## 2.1.1
 
 Added `FromJSON` instance for `PostgresConf`.
diff --git a/Database/Persist/Postgresql.hs b/Database/Persist/Postgresql.hs
--- a/Database/Persist/Postgresql.hs
+++ b/Database/Persist/Postgresql.hs
@@ -92,7 +92,7 @@
 
 
 -- | Create a PostgreSQL connection pool.  Note that it's your
--- responsability to properly close the connection pool when
+-- responsibility to properly close the connection pool when
 -- unneeded.  Use 'withPostgresqlPool' for an automatic resource
 -- control.
 createPostgresqlPool :: (MonadIO m, MonadBaseControl IO m, MonadLogger m)
diff --git a/persistent-postgresql.cabal b/persistent-postgresql.cabal
--- a/persistent-postgresql.cabal
+++ b/persistent-postgresql.cabal
@@ -1,5 +1,5 @@
 name:            persistent-postgresql
-version:         2.1.2
+version:         2.1.2.1
 license:         MIT
 license-file:    LICENSE
 author:          Felipe Lessa, Michael Snoyman <michael@snoyman.com>