diff --git a/graphene/relay/connection.py b/graphene/relay/connection.py
index f23849f2..a942c01b 100644
--- a/graphene/relay/connection.py
+++ b/graphene/relay/connection.py
@@ -103,7 +103,7 @@ class IterableConnectionField(Field):
 
         if is_node(connection_type):
             raise Exception(
-                "ConnectionField's now need a explicit ConnectionType for Nodes.\n"
+                "ConnectionFields now need a explicit ConnectionType for Nodes.\n"
                 "Read more: https://github.com/graphql-python/graphene/blob/v2.0.0/UPGRADE-v2.0.md#node-connections"
             )
 
diff --git a/graphene/relay/tests/test_connection.py b/graphene/relay/tests/test_connection.py
index 061d6ec9..ca43f397 100644
--- a/graphene/relay/tests/test_connection.py
+++ b/graphene/relay/tests/test_connection.py
@@ -138,7 +138,7 @@ def test_connectionfield_node_deprecated():
     with pytest.raises(Exception) as exc_info:
         field.type
 
-    assert "ConnectionField's now need a explicit ConnectionType for Nodes." in str(
+    assert "ConnectionFields now need a explicit ConnectionType for Nodes." in str(
         exc_info.value
     )