✏️ Fix typo (#1817)

Author: KATO-Hiro

src/lib/utils/contest.ts

@@ -162,7 +162,7 @@ const atCoderUniversityPrefixes = getContestPrefixes(ATCODER_UNIVERSITIES);
  */
 const ATCODER_OTHERS: ContestPrefix = {
   chokudai_S: 'Chokudai SpeedRun',
-  'code-festival-2014-qualb': 'Code Festival 2014 予選',
+  'code-festival-2014-qualb': 'Code Festival 2014 予選 B',
   'code-festival-2014-final': 'Code Festival 2014 決勝',
   'code-thanks-festival': 'CODE THANKS FESTIVAL',
   donuts: 'Donutsプロコンチャレンジ',