Update fern/docs/pages/adaas/overview.mdx

Co-authored-by: Ben Colborn <[email protected]>

Author: samod

fern/docs/pages/adaas/overview.mdx

@@ -7,7 +7,7 @@ It enables developers to create external workers (extractors and loaders) to bri
 
 ![ADaaS architecture](../../img/adaas/adaas-architecture.svg)
 
-An extractor is an function in an ADaaS-capable snap-in responsible for extracting data from an external system, such as Jira, Zendesk,
+An extractor is a function in an ADaaS-capable snap-in responsible for extracting data from an external system, such as Jira, Zendesk,
 HubSpot, etc. It uses a standardized communication protocol for talking to Airdrop and a standardized
 data structure for all the files it extracts and processes, so that they can be seamlessly imported into DevRev.