diff --git a/AACT_downloader/ClinicalTrialHistory/docker-entrypoint-initdb.d/020_HttpSchema.sql b/AACT_downloader/ClinicalTrialHistory/docker-entrypoint-initdb.d/020_HttpSchema.sql
index e45fe6d..f87fdca 100644
--- a/AACT_downloader/ClinicalTrialHistory/docker-entrypoint-initdb.d/020_HttpSchema.sql
+++ b/AACT_downloader/ClinicalTrialHistory/docker-entrypoint-initdb.d/020_HttpSchema.sql
@@ -24,11 +24,11 @@ CREATE TABLE IF NOT EXISTS http.responses (
     id SERIAL PRIMARY KEY, 
     nct_id VARCHAR(15),
     version_a SMALLINT,
-	version_b SMALLINT,
+    version_b SMALLINT,
     url VARCHAR(255),
     response_code SMALLINT,
     response_date TIMESTAMP WITH TIME ZONE,
-	html TEXT
+    html TEXT
     );
 
 
diff --git a/history_downloader/db_connection.py b/history_downloader/db_connection.py
index 4b5f94c..3a85f92 100644
--- a/history_downloader/db_connection.py
+++ b/history_downloader/db_connection.py
@@ -1,3 +1,7 @@
+# Description
+#   This program tests the ability to connect the the DB
+#
+
 import psycopg2 as psyco
 
 conn = psyco.connect(dbname="aact_db", user="root", host="will-office", password="root")
diff --git a/history_downloader/downloader.py b/history_downloader/downloader.py
index a93d9c4..9875525 100644
--- a/history_downloader/downloader.py
+++ b/history_downloader/downloader.py
@@ -1,4 +1,3 @@
-from tkinter import W
 import requests
 import psycopg2 as psyco
 from datetime import datetime
@@ -223,6 +222,7 @@ def flag_trials_of_interest(db_connection):
     ;
     """
     #TODO: actually send it to the database.
+    #Should probably have thsi saved as a file, such as the downloader_prep.sql file.
 
 def reserve_trials(db_connection, limit=10):
     """
diff --git a/history_downloader/readme.md b/history_downloader/readme.md
new file mode 100644
index 0000000..e4c5321
--- /dev/null
+++ b/history_downloader/readme.md
@@ -0,0 +1,20 @@
+# File descriptions
+
+db_connection.py 
+- is just a test file
+- [ ] TODO: should be incorporated in a tests justfile recipe. maybe moved to a test location?
+
+
+downloader_prep.sql
+- contains sql to identify which trials are of interest.
+- [ ] TODO: add into the automation routine somewhere.
+
+downloader.py 
+- does the actual downloading
+- setup to also act as a python module if needed.
+- [ ] TODO: there are quite a few things that need cleaned or refactored.
+
+./tests/download_tests.py
+- downloads some test html values from clinicaltrials.gov
+
+
diff --git a/justfile b/justfile
index 120859d..7f9775e 100644
--- a/justfile
+++ b/justfile
@@ -48,7 +48,7 @@ setup-containers:
 #Stop the appropriate docker container
 stop-containers:
     #stop all docker containers if they are currently running.
-    #The if statement is used because sometimes there are no running containers
+    #The if [empty string] statement because sometimes there are no running containers
     if [ -n "{{docker_container}}" ]; then  docker stop {{docker_container}}; fi
     @echo "confirmed that docker containers {{docker_container}} are stopped"