Fix some typos

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

Change-Id: Ie66b89065f2100c1d2125ce5a6c9b1d58df7c8ad
diff --git a/doc/manuals/chapters/counters_generated.adoc b/doc/manuals/chapters/counters_generated.adoc
index 1b40d8b..e2587e8 100644
--- a/doc/manuals/chapters/counters_generated.adoc
+++ b/doc/manuals/chapters/counters_generated.adoc
@@ -27,7 +27,7 @@
 | sms:rp_err_other | <<msc_sms:rp_err_other>> | Other error of MS responses on a sms delive attempt.
 | sms:deliver_unknown_error | <<msc_sms:deliver_unknown_error>> | Unknown error occurred during sms delivery.
 | call:mo_setup | <<msc_call:mo_setup>> | Received setup requests from a MS to init a MO call.
-| call:mo_connect_ack | <<msc_call:mo_connect_ack>> | Received a connect ack from MS of a MO call. Call is now succesful connected up.
+| call:mo_connect_ack | <<msc_call:mo_connect_ack>> | Received a connect ack from MS of a MO call. Call is now successful connected up.
 | call:mt_setup | <<msc_call:mt_setup>> | Sent setup requests to the MS (MT).
 | call:mt_connect | <<msc_call:mt_connect>> | Sent a connect to the MS (MT).
 | call:active | <<msc_call:active>> | Count total amount of calls that ever reached active state.
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