[trivial] add a blank character

In ceilometer help event-list, the line
"integer, floator datetime." should be "integer, float or datetime."

Change-Id: Ib8976b5e580e2a95a4e04d7d95c815011127749c
This commit is contained in:
zhangguoqing
2016-08-04 03:14:15 +00:00
parent 3b35aea69e
commit 45d475dfe2