diff --git a/build-deb.sh b/build-deb.sh
index 5943c151..5b2b5f85 100755
--- a/build-deb.sh
+++ b/build-deb.sh
@@ -1,7 +1,12 @@
 #!/bin/bash
-
-backup=`pwd`
-DIR="$( cd "$( dirname "$0" )" && pwd )"
+# Generates .deb packages
+# Requires (at least):
+#   apt install ubuntu-dev-tools	# install pbuilder-dist
+#   pbuilder-dist cosmic i386 create	# create a build environment
+#   pbuilder-disp cosmic amd64 create	# create a build environment
+
+backup=${PWD}
+DIR=${0%*/}
 cd $DIR
 
 . ./BUILD_CONFIG
@@ -37,8 +42,8 @@ echo "--------------------------------------------------------------------------
 
 }
 
-build_deb_for_dist xenial i386
-build_deb_for_dist xenial amd64
+build_deb_for_dist cosmic i386
+build_deb_for_dist cosmic amd64
 #build_deb_for_dist stretch armel
 #build_deb_for_dist stretch armhf
 
diff --git a/build-installers.sh b/build-installers.sh
index 2e7f4856..83c303f5 100755
--- a/build-installers.sh
+++ b/build-installers.sh
@@ -1,7 +1,11 @@
 #!/bin/bash
+# Generates *.run installers
+# Requires (at least):
+#    Run build-deb.sh first
+#    "sanity" from https://github.com/teejee2008/sanity-installer
 
-backup=`pwd`
-DIR="$( cd "$( dirname "$0" )" && pwd )"
+backup=${PWD}
+DIR=${0%/*}
 cd $DIR
 
 . ./BUILD_CONFIG
@@ -33,6 +37,8 @@ echo "--------------------------------------------------------------------------
 
 rm -rfv release/${arch}/${pkg_name}*.* # remove source files created by pbuilder
 cp -pv --no-preserve=ownership release/sanity.config release/${arch}/sanity.config
+
+# "sanity" command comes from https://github.com/teejee2008/sanity-installer
 sanity --generate --base-path release/${arch} --out-path release --arch ${arch} --xz
 
 if [ $? -ne 0 ]; then cd "$backup"; echo "Failed"; exit 1; fi
diff --git a/build-source.sh b/build-source.sh
index 99e4bad2..60984163 100755
--- a/build-source.sh
+++ b/build-source.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
-backup=`pwd`
-DIR="$( cd "$( dirname "$0" )" && pwd )"
+backup=${PWD}
+DIR=${0%/*}
 cd "$DIR"
 
 . ./BUILD_CONFIG
diff --git a/ukuu.pot b/ukuu.pot
index d256268b..c7eef513 100644
--- a/ukuu.pot
+++ b/ukuu.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: ukuu 18.9\n"
 "Report-Msgid-Bugs-To: bw.aljex@gmail.com\n"
-"POT-Creation-Date: 2019-03-11 00:10-0400\n"
+"POT-Creation-Date: 2019-03-11 00:24-0400\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"