diff --git a/blackatends b/blackatends
index 8fd7dd87..64e43944 100755
--- a/blackatends
+++ b/blackatends
@@ -26,7 +26,7 @@ _usage(){
 }
 [ "${#}" = 0 ] && _usage
 
-# command-line options to set mediaid and original variables
+# command-line options for help and invalid options
 OPTIND=1
 while getopts ":h" OPT; do
     case "${OPT}" in
diff --git a/checksumpackage b/checksumpackage
index d514100c..874aa464 100755
--- a/checksumpackage
+++ b/checksumpackage
@@ -116,6 +116,7 @@ while [ "${*}" != "" ] ; do
             INDIR="."
             OUTDIR="."
         fi
+        #perform checking and verification
         if [ "${CHECK}" = "Y" ] ; then
             if [ -s "${PACKAGE}/${OUTDIR}/${DFXMLNAME}" ] ; then
                 _check_dfxml "${PACKAGE}"
@@ -152,6 +153,7 @@ while [ "${*}" != "" ] ; do
                 continue
             fi
         fi
+        #create digital forensics xml and checksum.md5 file
         _report -dt "making Digital Forensics XML (${DFXMLNAME}) and (${CHECKSUMNAME}) for ${PACKAGE}"
         cd "${PACKAGE}/${INDIR}"
         DFXMLTMP=$(_maketemp)
@@ -167,6 +169,7 @@ while [ "${*}" != "" ] ; do
             xml sel -T -t -m "/dfxml/fileobject" -v "hashdigest" -o "  " -v "filename" -n "${PACKAGE}/${OUTDIR}/${DFXMLNAME}" > "${PACKAGE}/${OUTDIR}/${CHECKSUMNAME}"
         fi
         echo "$(_get_iso8601): $(basename "${0}"):${VERSION}: ${CHECKSUMNAME} is generated" >> "${PACKAGE}/${OUTDIR}/${CHECKSUMPROCESSLOG}"
+        #verify checksums by creating tmp checksum file and comparing with previously created checksums
         if [ "${VERIFY}" = "Y" ] ; then
             CHECKSUMCMP1=$(_maketemp)
             sort -k2 "${PACKAGE}/${OUTDIR}/${CHECKSUMNAME}" > "${CHECKSUMCMP1}"
diff --git a/finishpackage b/finishpackage
index 36bb755d..72b8565b 100755
--- a/finishpackage
+++ b/finishpackage
@@ -1,4 +1,5 @@
 #!/bin/bash
+#finish package takes a directory input created by restructureforCompliance and creates derivative access copies, metadata documents, and a checksum file. 
 while [ "${*}" != "" ] ; do
     INPUT="${1}"
     makelossless "${INPUT}" && makebroadcast "${INPUT}" && makeyoutube "${INPUT}" && makemetadata "${INPUT}" && checksumpackage "${INPUT}" 
diff --git a/makebroadcast b/makebroadcast
index 7b7126d9..81b5624d 100755
--- a/makebroadcast
+++ b/makebroadcast
@@ -38,7 +38,7 @@ _usage(){
 }
 [ "${#}" = 0 ] && _usage
 
-# command-line options to set mediaid and original variables
+# command-line options to adjust volume, delivery location, and slate creation
 OPTIND=1
 while getopts ":F:slrcv:o:d:e:E:nh" OPT ; do
     case "${OPT}" in
@@ -180,7 +180,7 @@ while [ "${*}" != "" ] ; do
         else
             MIDDLEOPTIONS+=(-metadata:s:v:0 timecode=00:00:00.00)
         fi
-        # determine filter choice if set in capture.log and set in and out times if used
+        # determine filter choice if set in capture.log and set in and out times if used, ignore out time if a slate is being created.
         if [[ -f "${INGESTLOG}" && "${ISOBJECT}" = "Y" ]] ; then
             if [ "${FORMULA}" = "none" ] ; then
                 FILTERCHOICE=$(_readingestlog "filter choice")
diff --git a/makemetadata b/makemetadata
index 280f1795..3eb95f4e 100755
--- a/makemetadata
+++ b/makemetadata
@@ -1,5 +1,5 @@
 #!/bin/bash
-# make metadata
+# make metadata creates a set of metadata reports for an archival information package on all files in the objects subdirectory.
 VERSION="0.2"
 SCRIPTDIR=$(dirname "${0}")
 . "${SCRIPTDIR}/mmfunctions" || { echo "Missing '${SCRIPTDIR}/mmfunctions'. Exiting." ; exit 1 ;};
@@ -11,12 +11,13 @@ _usage(){
     echo "$(basename "${0}") ${VERSION}"
     echo "Produces a set of metadata reports for an archival information package on all files in the objects subdirectory."
     echo "Usage: $(basename "${0}") [ -h ] package1 [ package2 ... ]"
-    echo "  -h (show _usage)"
+    echo "  -h (show usage)"
+    echo "  -r deletes existing metadata files"
     exit
 }
 [ "${#}" = 0 ] && _usage
 
-# command-line options to set mediaid and original variables
+# command-line option to remove existing metadata files
 OPTIND=1
 while getopts ":rh" OPT ; do
     case "${OPT}" in
@@ -29,7 +30,6 @@ done
 shift $(( ${OPTIND} - 1 ))
 
 _set_up_filemeta(){
-    # set up output
     _log -b
     if [[ -d "${PACKAGE_PATH}/${OUTPUTDIR}" && "${DELETEFILEMETA}" != "Y" ]] ; then
         _report -wt "WARNING ${PACKAGE_PATH}/${OUTPUTDIR} already exists, not making metadata."
diff --git a/makemets b/makemets
index 2be34d37..d0f89f54 100755
--- a/makemets
+++ b/makemets
@@ -122,7 +122,9 @@ echo "<?xml version=\"1.0\"?>
 " > /tmp/makemets.xsl
 
 PWD=$(pwd)
-cd "$1"
+cd "${1}"
+#create directory structure of AIP using tree, excluding tree file itself
 tree -DaNXs --du --timefmt "%Y-%m-%dT%H:%M:%SZ" -I "tree.xml" -I "mets.xml" . > /tmp/tree.xml
+#use xslt to create mets document from tree.xml
 xsltproc --stringparam root "$(pwd)" /tmp/makemets.xsl /tmp/tree.xml | xml fo > "${1}/metadata/mets.xml"
-cd "$PWD"
+cd "${PWD}"