Fix typo in fixed-requirements.txt.
@@ -9,8 +9,7 @@ kombu==4.2.2.post1
# Note: amqp is used by kombu
amqp==2.3.2
# NOTE: Recent version substantially affect the performance and add big import time overhead
-# See https://github.com/StackStorm/st2/issues/4160#issuecomment-394386433 for
-details
+# See https://github.com/StackStorm/st2/issues/4160#issuecomment-394386433 for details
oslo.config>=1.12.1,<1.13
oslo.utils>=3.36.2,<=3.37.0
six==1.12.0
