diff --git a/muranoclient/shell.py b/muranoclient/shell.py
index e92d5b70..a1d25d97 100644
--- a/muranoclient/shell.py
+++ b/muranoclient/shell.py
@@ -449,7 +449,7 @@ class MuranoShell(object):
         if glance_client:
             kwargs['glance_client'] = glance_client
         else:
-            logger.warning("Could not initialise glance client. "
+            logger.warning("Could not initialize glance client. "
                            "Image creation will be unavailable.")
             kwargs['glance_client'] = None