diff --git a/updater b/updater
index d54b077..d8f6cfd 100755
--- a/updater
+++ b/updater
@@ -4,10 +4,14 @@
 #        updater - Automatically update Microsoft Edge on Solus         #
 #                                                                       #
 #                             Dependencies:                             #
+#                                 bash                                  #
 #                                 wget                                  #
+#                                  git                                  #
 #                                gunzip                                 #
 #                                  tar                                  #
-#                       sort (coreutils >= 8.32)                        #
+#                          coreutils (>= 8.32)                          #
+#                          binutils (>=2.35.1)                          #
+#                  procps (only BusyBox-based systems)                  #
 #                              notify-send                              #
 #                                                                       #
 #                                                                       #
@@ -50,10 +54,12 @@ $prog_name ($version) - An updater program which can install the latest availabl
 DISCLAIMER: Currently this program can only update the Beta release of Microsoft Edge for amd64 architectures.
 
 Options:
-  -nn, --no-notify    Prevent notifications from being set after a session.
-   -y, --yes-all      Assume yes to all yes/no decisions.
-   -v, --version      Print out the version of the script and exit.
-   -h, --help         Print this help message and exit
+  -nn, --no-notify     Prevent notifications from being set after a session.
+       --mode=[debug]  Set the mode of the program to be ran in. Default mode occurs without this flag.
+                         * debug - run program in debug mode.
+   -y, --yes-all       Assume yes to all yes/no decisions.
+   -v, --version       Print out the version of the script and exit.
+   -h, --help          Print this help message and exit
 "
 
 runtime_dir=$(realpath "${BASH_SOURCE[0]}" | xargs -r dirname)
@@ -65,10 +71,11 @@ garbage="$tmp_path/garbage.tmp"
 ## program timer
 SECONDS=0
 
+## create the logs directory and tmp location if they don't already exist
 [[ ! -d "$logs_dir" ]] && mkdir "$logs_dir"
 [[ ! -d "$tmp_path" ]] && mkdir "$tmp_path"
 
-
+# function responsible for cleaning up after a session execution
 function clean_up {
 	log "DEBUG" "EXIT signal was raised, cleaning up system after session before exiting..." "$log_file"
 	printf "Cleaning up system after session..."
@@ -93,6 +100,7 @@ function clean_up {
 	[[ $debug_run -eq 0 ]] && cat "$logs_dir/updater.log"
 }
 
+# ensure that the restoration was sucessful in reverting the system back
 function check_restoration {
 	[[ ! $1 -eq 0 ]] && { echo -e "failed.\nThere was an error trying to restore system files." \
 		"Either there no back was made or another issue occurred. Consult $log_file for more information." ; exit $1 ; }
@@ -102,6 +110,7 @@ function check_restoration {
 		"Consult $log_file for more information. Exiting..."
 	[[ ! $nn_flag -eq 0 ]] && notify "Microsoft Edge (Beta) Update" "There was an issue installing the update to your system." \
 		"The previous version, v$current_version, has been restored."
+	echo "$backup_file" >>"$garbage"
 }
 
 ## iterate over all user inputs
@@ -147,7 +156,7 @@ log "DEBUG" "The yes flag has been set to: $yes_flag." "$log_file"
 ## setup the no-notify (nn) flag if notify-send isn't installed
 command -v notify-send >/dev/null 2>&1 || nn_flag=0
 nn_flag=${nn_flag:-1}
-## set the testing flag if not already
+## set the debugging flag if not already
 debug_run=${debug_run:-1}
 [[ $debug_run -eq 0 ]] && log "DEBUG" "The mode flag has been set so script will operate in debug mode." "$log_file"
 
@@ -199,8 +208,7 @@ exit_code=$?
 [[ ! $exit_code -eq 0 ]] && { echo "There was an issue retrieving the package contents for the update. Please check $log_file/updater.log, so more information. Exiting..." ;
 	log "ERROR" "Encountered an issue with wget. Exiting...(4)" "$log_file" ; exit 4 ; }
 log "DEBUG" "Successfully downloaded release contents information." "$log_file"
-
-### :@TODO: continue with TODO list. Finish off above code section to ensure wget is successful and logging appropriately.
+## decompress the packages file
 log "DEBUG" "Uncompressing downloaded gz file using gunzip, $tmp_path/Packages.gz..." "$log_file"
 ## force gunzip to overwrite decompressed file if it already exists
 gunzip -f "$tmp_path/Packages.gz" "$tmp_path/Contents-$archi.gz" >/dev/null 2>&1
@@ -328,8 +336,8 @@ if [[ ! -f "$tmp_path/$filename" ]] ; then
 		"Please check $logs_dir/updater.log, for more information. Exiting update..." ;
 		log "DEBUG" "Encountered an issue with wget. Exiting...(6)" "$log_file" ; exit 6 ; }
 	awk -v end=$(grep -n '^\s*$' "$tmp_path/wget_dump.log" | tr '\n' ' ' | cut -d: -f1) 'NR>1*0&&NR<1*end+1' "$tmp_path/wget_dump.log" >> "$log_file"
-	log "DEBUG" "Download completed successfully in $(echo $wget_timed | cut -d' ' -f2)s, wget log below." "$log_file"
-	printf "Download complete in $(echo $wget_timed | cut -d' ' -f2)s. Validating checksums..."
+	log "DEBUG" "Download completed successfully, wget log shown above." "$log_file"
+	printf "Download complete. Validating checksums..."
 else
 	log "DEBUG" "File already downloaded to system. Skipped download and verifying checksum..." "$log_file"
 	printf "Latest Debian release file is downloaded to the system, skipping download. Validating checksums..."
@@ -371,7 +379,6 @@ rm -r "$tmp_path/etc/"
 echo "$tmp_path/data.tar.xz" >> "$garbage"
 
 # compress archive the currently installed version of Edge (Beta) for restoration on failure
-## :@TODO: compress everything on the system for a backup. Remove it if installation of new version was successful
 log "DEBUG" "Creating an archive gzip tarball of system /opt/ and /usr/ directories..." "$log_file"
 printf "Installing new version to system. This may take a few minutes..."
 archive_system "microsoft/msedge-beta"
@@ -385,7 +392,7 @@ fi
 log "DEBUG" "Successfully created an archive gzip tarball of the system. Safe to continue with installation." "$log_file"
 
 ### :@NOTE: used to terminate the program at a certain point for incremental testing of functionality recently added up to the point of this exit.
-#exit 0
+### exit 0
 
 # install the new version to system
 log "DEBUG" "Copying files to there appropriate location..." "$log_file"
@@ -440,8 +447,11 @@ if [[ "$(microsoft-edge-beta --version | cut -d' ' -f3)" != "$release_version" ]
 	exit 11
 fi
 
+## end of update. Inform user of time taken to complete, notify and log.
 elapsed_time=$SECONDS
 script_time="$(($elapsed_time / 60))m $(($elapsed_time % 60))s"
 log "DEBUG" "Installation and update was successful (completed in: $script_time) and system can be cleaned up to remove any waste." "$log_file"
 echo "Microsoft Edge (Beta) has been successfully updated to the latest version: v$current_version -> v$release_version, in $script_time."
 [[ ! $nn_flag -eq 0 ]] && notify "Microsoft Edge (Beta) Update" "Successfully updated Microsoft Edge (Beta) to the latest version: v$release_version"
+
+# exit of script, clean up function is called now by default exit of script (EOF)