From 507351612ed635c756e27b9528f2f21c605288ee Mon Sep 17 00:00:00 2001
From: Jean-Baptiste Barth <jeanbaptiste.barth@gmail.com>
Date: Mon, 19 Oct 2015 05:43:58 +0200
Subject: [PATCH] Fix missing space in decision validation error

---
 moto/swf/exceptions.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/moto/swf/exceptions.py b/moto/swf/exceptions.py
index 4d0a9dede..d79281100 100644
--- a/moto/swf/exceptions.py
+++ b/moto/swf/exceptions.py
@@ -112,9 +112,9 @@ class SWFDecisionValidationException(SWFClientError):
         # prefix
         count = len(problems)
         if count < 2:
-            prefix = "{} validation error detected:"
+            prefix = "{} validation error detected: "
         else:
-            prefix = "{} validation errors detected:"
+            prefix = "{} validation errors detected: "
         super(SWFDecisionValidationException, self).__init__(
             prefix.format(count) + "; ".join(messages),
             "com.amazon.coral.validate#ValidationException"