diff --git a/doc/overview.edoc b/doc/overview.edoc
index 5d18abdf..2164097b 100644
--- a/doc/overview.edoc
+++ b/doc/overview.edoc
@@ -335,12 +335,12 @@ you to maintain a group of connections.
 
 ```
 PoolName = mypool,
-Options = [{timeout, 150000}, {pool_size, 100}],
-{ok, Pid} = hackney_pool:start_pool(PoolName, Options),
+Options = [{timeout, 150000}, {max_connections, 100}],
+ok = hackney_pool:start_pool(PoolName, Options),
 '''
 
 `timeout' is the time we keep the connection alive in the pool,
-`pool_size' is the number of connections maintained in the pool. Each
+`max_connections' is the number of connections maintained in the pool. Each
 connection in a pool is monitored and closed connections are removed
 automatically.