fix 6 months not showing up correctly

Author: zubyj

src/problems-by-company/company.html

@@ -13,7 +13,7 @@
         <input type="text" id="companySearch" list="companyList" placeholder="Search for a company">
         <datalist id="companyList"></datalist>
         <select id="dateSelect">
-            <option value="freq_6months">6 months</option>
+            <option value="freq_6month">6 months</option>
             <option value="freq_1year">1 year</option>
             <option value="freq_2year">2 years</option>
             <option value="freq_alltime">All time</option>