-sed -i "s/SOME DESCRIPTIVE TITLE./FRIENDIKA Distributed Social Network/g" "$OUTFILE"
-sed -i "s/YEAR THE PACKAGE'S COPYRIGHT HOLDER/2010, 2011 Mike Macgirvin/g" "$OUTFILE"
-sed -i "s/FIRST AUTHOR <EMAIL@ADDRESS>, YEAR./Mike Macgirvin, 2010/g" "$OUTFILE"
-sed -i "s/PACKAGE VERSION/$F9KVERSION/g" "$OUTFILE"
-sed -i "s/PACKAGE/Friendika/g" "$OUTFILE"
-sed -i "s/CHARSET/UTF-8/g" "$OUTFILE"
+if [ $ADDONMODE ]
+then
+ sed -i "s/SOME DESCRIPTIVE TITLE./ADDON $ADDONNAME/g" "$OUTFILE"
+ sed -i "s/YEAR THE PACKAGE'S COPYRIGHT HOLDER//g" "$OUTFILE"
+ sed -i "s/FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.//g" "$OUTFILE"
+ sed -i "s/PACKAGE VERSION//g" "$OUTFILE"
+ sed -i "s/PACKAGE/Friendica $ADDONNAME addon/g" "$OUTFILE"
+ sed -i "s/CHARSET/UTF-8/g" "$OUTFILE"
+ sed -i "s/^\"Plural-Forms.*$//g" "$OUTFILE"
+else
+ sed -i "s/SOME DESCRIPTIVE TITLE./FRIENDICA Distributed Social Network/g" "$OUTFILE"
+ sed -i "s/YEAR THE PACKAGE'S COPYRIGHT HOLDER/2010, 2011, 2012, 2013 the Friendica Project/g" "$OUTFILE"
+ sed -i "s/FIRST AUTHOR <EMAIL@ADDRESS>, YEAR./Mike Macgirvin, 2010/g" "$OUTFILE"
+ sed -i "s/PACKAGE VERSION/$F9KVERSION/g" "$OUTFILE"
+ sed -i "s/PACKAGE/Friendica/g" "$OUTFILE"
+ sed -i "s/CHARSET/UTF-8/g" "$OUTFILE"
+ sed -i "s/^\"Plural-Forms.*$//g" "$OUTFILE"
+fi