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 **[Standardized Health Economics Data Tables](https://github.com/OHDSI/CommonDataModel/wiki/Standardized-Health-Economics-Data-Tables)**
 * [PAYER_PLAN_PERIOD](https://github.com/OHDSI/CommonDataModel/wiki/PAYER_PLAN_PERIOD)
-* [COST](wiki/COST)  
+* [COST](https://github.com/OHDSI/CommonDataModel/wiki/COST)  
 
 **[Standardized Derived Elements](https://github.com/OHDSI/CommonDataModel/wiki/Standardized-Derived-Elements)**
 * [COHORT](https://github.com/OHDSI/CommonDataModel/wiki/COHORT)