diff --git a/cluster/apt.apply.update.sh b/cluster/apt.apply.update.sh
index 5484a40..aeaaaff 100755
--- a/cluster/apt.apply.update.sh
+++ b/cluster/apt.apply.update.sh
@@ -46,11 +46,11 @@ usage() {                                                       # {{{
 	cat <<- EOF
 usage: $PROGNAME
 
-Apply any APT package upgrade if the host is free :
+Apply any APT package upgrade if the host is free:
 	* SGE queue is disable
 	* No SGE jobs are running
 
-EXAMPLES :
+EXAMPLES:
     - Apply upgrade on the current host
         ${PROGNAME}
 	EOF
@@ -62,7 +62,7 @@ debug_message() {                                               # {{{
 	local_message="${1}"
 
 	## Print message if DEBUG is enable (=0)
-	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6b\e[m\n' "DEBUG − ${PROGNAME} : ${local_message}"
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6b\e[m\n' "DEBUG − ${PROGNAME}: ${local_message}"
 
 }
 # }}}
@@ -154,7 +154,7 @@ esac
 
 	## Simple debug message to valid current variables
 	debug_message "is_job_running − \
-jobs running on ${local_sge_hostname} host : ${RED}${local_sge_slots_used}${COLOR_DEBUG}."
+jobs running on ${local_sge_hostname} host: ${RED}${local_sge_slots_used}${COLOR_DEBUG}."
 
 	return "${return_job_running}"
 
@@ -177,7 +177,7 @@ esac
 
 	## Simple debug message to valid current variables
 	debug_message "is_proc_running − \
-${local_count_proc_pattern} procs seems running according to the pattern: ${RED}${local_proc_pattern}${COLOR_DEBUG}."
+procs running (with the pattern: ${RED}${local_proc_pattern}${COLOR_DEBUG}) on the current host: ${RED}${local_count_proc_pattern}${COLOR_DEBUG}."
 
 	return "${return_proc_running}"