Fix some typos

Fix typos and common misspellings in code comments and log messages.

Change-Id: Ie66b89065f2100c1d2125ce5a6c9b1d58df7c8ad
diff --git a/doc/manuals/chapters/running.adoc b/doc/manuals/chapters/running.adoc
index 9d56f1f..71f336b 100644
--- a/doc/manuals/chapters/running.adoc
+++ b/doc/manuals/chapters/running.adoc
@@ -44,7 +44,7 @@
 	Same as option -M (deprecated).
 *-C, --no-dbcounter*::
 	Deprecated. DB statistics and counter has been removed.
-	This option is only valid for compatiblity and does nothing.
+	This option is only valid for compatibility and does nothing.
 
 
 === Multiple instances