diff --git a/OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/DBHelper.java b/OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/DBHelper.java
index 2423793..8448b52 100644
--- a/OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/DBHelper.java
+++ b/OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/DBHelper.java
@@ -884,10 +884,26 @@ public class DBHelper extends SQLiteOpenHelper {
     }
 
 
+    /**
+     * Returns a list of unbooked time slots that are at least 30 minutes
+     * @param serviceProvider
+     * @param year
+     * @param month
+     * @param day
+     * @return list of [start hour, start minute, end hour, end minute] of available timeslots
+     */
     public List<int[]> getAvailabilityByDate(ServiceProvider serviceProvider, int year, int month, int day){
         return getAvailabilityByDate(serviceProvider.getUsername(), year, month, day);
     }
 
+    /**
+     * Returns a list of unbooked time slots that are at least 30 minutes
+     * @param serviceProvider
+     * @param year
+     * @param month
+     * @param day
+     * @return list of [start hour, start minute, end hour, end minute] of available timeslots
+     */
     public List<int[]> getAvailabilityByDate(String serviceProvider, int year, int month, int day){
 
         List<int[]> availabilities = new ArrayList<>();