Fix typos

content/challenges/84.md

@@ -68,7 +68,7 @@ japanese:
   - - - dictionary: ~
         text: ""
       - pos: adjective
-        text: ちんちゃ
+        text: やんちゃ
       - pos: adjective
         text: な
       - pos: verb
@@ -126,7 +126,7 @@ japanese:
         text: "　"
       - pos: noun
         text:
-          - 四: ご
+          - 四: よ
           - つ
           - 子: ご
       - pos: noun