Fix spelling mistakes

git ls-files | misspellings -f -
Source: https://github.com/lyda/misspell-check

Change-Id: Ibec057f0af2321ad4b407be22ee2cc6c5e59f4b4

Author: jogo

doc/src/docbkx/openstack-ops/ch_ops-day-to-day.xml

@@ -77,7 +77,7 @@
 
     <section xml:id="daily-monitoring">
     <title>Daily monitoring practices</title>
-    <para>Noone likes a spammy nagios, or having tail -f of a log 
+    <para>No one likes a spammy nagios, or having tail -f of a log 
     file scroll past like the matrix. 
     Metrics to follow with alarm settting
     Syslog trolling</para>