Update README.md

README.md

@@ -50,7 +50,7 @@ English/[Japanese](README_ja.md)
 
 This benchmark evaluates knowledge specific to Japan through multiple-choice questions.
 It covers eight categories: culture, custom, regional identity, geography, history, government, law, and healthcare.
-Achieving high performance requires broad and detailed understanding of Japan across these domains.
+Achieving high performance requires broad and detailed understanding of Japan across these categories.
 
 ## Leaderboard
 
@@ -114,7 +114,7 @@ An example from culture category looks as follows:
 - `test`: there are 2,341 examples
 
 
-| Category | Number of Questions |
+| Category | Number of Examples |
 | --- | ---: |
 | culture | 644 |
 | custom | 204 |