diff --git a/discretize/tree_mesh.py b/discretize/tree_mesh.py
index 6ae4c17e1..f930cf177 100644
--- a/discretize/tree_mesh.py
+++ b/discretize/tree_mesh.py
@@ -243,8 +243,9 @@ def __init__(self, h=None, origin=None, diagonal_balance=None, **kwargs):
             diagonal_balance = False
             warnings.warn(
                 "In discretize v1.0 the TreeMesh will change the default value of "
-                "diagonal_balance to True, which will likely slightly change meshes you have"
-                "previously created. If you need to keep the current behavoir, explicitly set "
+                "diagonal_balance to True, which will likely slightly change meshes "
+                "you have previously created. "
+                "If you need to keep the current behavior, explicitly set "
                 "diagonal_balance=False.",
                 FutureWarning,
                 stacklevel=2,