diff --git a/hasql-pool.cabal b/hasql-pool.cabal
--- a/hasql-pool.cabal
+++ b/hasql-pool.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               hasql-pool
-version:            0.9
+version:            0.9.0.1
 category:           Hasql, Database, PostgreSQL
 synopsis:           Pool of connections for Hasql
 homepage:           https://github.com/nikita-volkov/hasql-pool
diff --git a/library/Hasql/Pool.hs b/library/Hasql/Pool.hs
--- a/library/Hasql/Pool.hs
+++ b/library/Hasql/Pool.hs
@@ -137,6 +137,9 @@
 -- connection. In such case the connection does not get returned to the pool
 -- and a slot gets freed up for a new connection to be established the next
 -- time one is needed. The error still gets returned from this function.
+--
+-- __Warning:__ Due to the mechanism mentioned above you should avoid consuming
+-- errors within sessions.
 use :: Pool -> Session.Session a -> IO (Either UsageError a)
 use Pool {..} sess = do
   timeout <- do