diff --git a/ASSU.sh b/ASSU.sh
index 3f7a7328d22573135c0c548d8cd4ae7bd1e8a96c..291cbf88b44164a4c2510c822768e479a854fc25 100755
--- a/ASSU.sh
+++ b/ASSU.sh
@@ -33,6 +33,8 @@
 #                                                                                                            #
   VERSION=1.1;                                                                                               #
 # + SSUdb inside a dedicated directory ($SSUDB_DIR)                                                          #
+# + modified model sequence selection criterion                                                              #
+# + updated verbose (option -v)                                                                              #
 #                                                                                                            #
 # VERSION=1.0;                                                                                               #
 #                                                                                                            #
@@ -316,22 +318,14 @@ dcheck() {
 # >> displays the content of the specified SSU databank                                                      #
 #                                                                                                            #
 dispdb() {
-#  $ZGREP "^>" $1 |
-#    tr -d '>' | 
-#      $BAWK '   {if($2=="A"){k="Archaea";++a}
-#                 else       {k="Bacteria";++b}
-#	         if($3=="Candidatus")print k" | "$1" | "$3" "$4" "$5;
-#                 else                print k" | "$1" | "$3" "$4}
-#	     END{print"# Archaea:  "a;
-#		 print"# Bacteria: "b}' ;
    $GUNZIP -c $1 2>/dev/null |
      tr -d '>' | paste - - | tr '\t' ' ' |
        $BAWK '   {if($2=="A"){k="Archaea";++a}
                   else       {k="Bacteria";++b}
- 	         if($3=="Candidatus")print k" | "$1" | "length($NF)" bps | "$3" "$4" "$5;
+                  if($3=="Candidatus")print k" | "$1" | "length($NF)" bps | "$3" "$4" "$5;
                   else                print k" | "$1" | "length($NF)" bps | "$3" "$4}
- 	     END{print"# Archaea:  "a;
- 		 print"# Bacteria: "b}' ;
+              END{print"# Archaea:  "a;
+                  print"# Bacteria: "b}' ;
 }
 #                                                                                                            #
 ##############################################################################################################
@@ -524,7 +518,7 @@ then
     case $fext in
     fq|fastq)                sed -n 2~4p             $f                           | $BAWK '(FNR>10000){exit}{print length()}'      ;;
     gz)        if $PZ ; then $PUNZIP -c -p $NTHREADS $f 2>/dev/null | sed -n 2~4p | $BAWK '(FNR>10000){exit}{print length()}' ;
-	                else $GUNZIP -c              $f 2>/dev/null | sed -n 2~4p | $BAWK '(FNR>10000){exit}{print length()}' ; fi ;;
+	                      else $GUNZIP -c              $f 2>/dev/null | sed -n 2~4p | $BAWK '(FNR>10000){exit}{print length()}' ; fi ;;
     bz|bz2)                  $BUNZIP -c              $f 2>/dev/null | sed -n 2~4p | $BAWK '(FNR>10000){exit}{print length()}'      ;;
     dsrc|dsrc2)              $DUNZIP    $DSRCopt     $f 2>/dev/null | sed -n 2~4p | $BAWK '(FNR>10000){exit}{print length()}'      ;;
     esac
@@ -616,9 +610,9 @@ else
   $ZGREP -E "$PATTERN" $SSUDB | $BAWK '{print$1}' | tr -d '>' > $TMP1 ; 
   # maximizing the sum of alignment scores (AS:i:) among the selected reference sequences
   accn=$($TAWK '{print$3"\t"$14}' $SAM | sed 's/AS:i://g' |
-             $TAWK '{s[$1]+=$2}END{for(a in s)print s[a]"\t"a}' |
-               grep -F -f $TMP1 |
-                 sort -rg | $TAWK '(NR==1){print$2;exit}');
+           $TAWK '{s[$1]+=$2}END{for(a in s)print s[a]"\t"a}' |
+             grep -F -f $TMP1 |
+               sort -rg | $TAWK '(NR==1){print$2;exit}');
 fi
 
 if [ -z "$accn" ]