diff --git a/README.md b/README.md
index 94b02d0..f073fb5 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ I recommend building executables with `pyinstaller` with `pyinstaller --onefile
 
 ## Database specification
 
-The program requires sqlite databases for each class.
+The program requires SQLite databases for each IB class.
 
 Each database must contain:
 
@@ -38,7 +38,7 @@ Each database must contain:
 | ----------- | --------- | --------------------------------------------- |
 | `day`       | `TEXT`    | Day of the week (e.g. `monday`)               |
 | `end_time`  | `TEXT`    | Ending time of lesson (e.g. `09:55`, `13:05`) |
-| `lesson_id` | `TEXT`    | Subject ID of the lesson (e.g. `ena`)         |
+| `lesson_id` | `TEXT`    | Subject ID of the lesson (e.g. `tok`)         |
 
 #### Subject IDs