diff --git a/src/main/kotlin/org/mosad/thecitadelofricks/controller/CacheController.kt b/src/main/kotlin/org/mosad/thecitadelofricks/controller/CacheController.kt
index 822c81c..c6e90c8 100644
--- a/src/main/kotlin/org/mosad/thecitadelofricks/controller/CacheController.kt
+++ b/src/main/kotlin/org/mosad/thecitadelofricks/controller/CacheController.kt
@@ -57,7 +57,7 @@ class CacheController {
         var timetableList = ArrayList<TimetableCourseWeek>() // this list contains all timetables
 
         /**
-         * get a timetable, since they may not cached, we need to make sure it's cached, otherwise download
+         * get a timetable, since they may not be cached, we need to make sure it's cached, otherwise download
          * @param courseName the name of the course to be requested
          * @param weekIndex request week number (current week = 0)
          * @return timetable of the course (Type: [TimetableCourseWeek])
@@ -90,7 +90,7 @@ class CacheController {
         }
 
         /**
-         * get every explicit lesson in a week
+         * get every explicit lesson in a week for a selected course
          * @param courseName the name of the course to be requested
          * @param weekIndex request week number (current week = 0)
          * @return a HashSet of explicit lessons for one week