diff --git a/skimage/__init__.py b/skimage/__init__.py
index 14b3e448..833be389 100644
--- a/skimage/__init__.py
+++ b/skimage/__init__.py
@@ -158,7 +158,7 @@ else:
 
 
 if sys.version.startswith('2.6'):
-    msg = ("Python 2.6 is deprecated and will not be supported in"
+    msg = ("Python 2.6 is deprecated and will not be supported in "
            "scikit-image 0.13+")
     warnings.warn(msg, stacklevel=2)