diff --git a/apps/api/src/app/inversify.config.ts b/apps/api/src/app/inversify.config.ts
index 7ee33f3..a04fc20 100644
--- a/apps/api/src/app/inversify.config.ts
+++ b/apps/api/src/app/inversify.config.ts
@@ -19,7 +19,7 @@ import {
 } from '@cowprotocol/repositories';
 
 const DEFAULT_CACHE_VALUE_SECONDS = ms('2min') / 1000; // 2min cache time by default for values
-const DEFAULT_CACHE_NULL_SECONDS = ms('30min') / 1000; // 30min cache time by default for NULL values (when the repository don't know)
+const DEFAULT_CACHE_NULL_SECONDS = ms('30min') / 1000; // 30min cache time by default for NULL values (when the repository isn't known)
 
 const CACHE_TOKEN_INFO_SECONDS = ms('24h') / 1000; // 24h