diff --git a/postgresql-simple.cabal b/postgresql-simple.cabal
--- a/postgresql-simple.cabal
+++ b/postgresql-simple.cabal
@@ -1,5 +1,5 @@
 Name:                postgresql-simple
-Version:             0.2.4.0
+Version:             0.2.4.1
 Synopsis:            Mid-Level PostgreSQL client library
 Description:
     Mid-Level PostgreSQL client library, forked from mysql-simple.
@@ -66,7 +66,7 @@
 source-repository this
   type:     git
   location: http://github.com/lpsmith/postgresql-simple
-  tag:      v0.2.4.0
+  tag:      v0.2.4.1
 
 test-suite test
   type:           exitcode-stdio-1.0
diff --git a/src/Database/PostgreSQL/Simple/Types.hs b/src/Database/PostgreSQL/Simple/Types.hs
--- a/src/Database/PostgreSQL/Simple/Types.hs
+++ b/src/Database/PostgreSQL/Simple/Types.hs
@@ -103,7 +103,7 @@
 --
 -- Example:
 --
--- > query c "select * from whatever where id in ?" (In [3,4,5])
+-- > query c "select * from whatever where id in ?" (Only (In [3,4,5]))
 newtype In a = In a
     deriving (Eq, Ord, Read, Show, Typeable, Functor)