diff --git a/CTI---Computer-Telephone-Integration.md b/CTI---Computer-Telephone-Integration.md
index 0f918b5..28e3cd8 100644
--- a/CTI---Computer-Telephone-Integration.md
+++ b/CTI---Computer-Telephone-Integration.md
@@ -39,6 +39,6 @@ docker run -e EGW_WEBHOOK="http://cti:secret@172.17.0.1/egroupware/stylite/cti.p
 
 ### EPL & other cloud or on-premise telephone systems
 
-We (EGroupware GmbH) are happy to develop further integrations with other telephone systems given the offer a REST API **and** a webhook (or other means) to send call events to the EGroupware server.
+We (EGroupware GmbH) are happy to develop further integrations with other telephone systems given they offer a REST API **and** a webhook (or other means) to send call events to the EGroupware server.
 
 Please [call EGroupware GmbH](https://www.egroupware.org/en/contact) to discuss your requirements, preferable before committing to a phone system contract.