Fix index.bs

Author: QueenieZqq

index.bs

@@ -83,15 +83,15 @@ dictionary ProofreaderProofreadOptions {
 dictionary ProofreadResult {
   DOMString correctedInput;
   sequence<ProofreadCorrection> corrections;
-}
+};
 
 dictionary ProofreadCorrection {
   unsigned long long startIndex;
   unsigned long long endIndex;
   DOMString correction;
   sequence<CorrectionType> type;
   DOMString explanation;
-}
+};
 
 enum CorrectionType { "spelling", "punctuation", "capitalization", "preposition", "missing-words", "grammar" };
 </xmp>