Update image-promotion.md
Typo fix
@@ -277,7 +277,7 @@ that use this image pass the verification checks.
## Areas of improvement
-The first use-case describes a typical Continuos Delivery example, where the developer uses
+The first use-case describes a typical Continuous Delivery example, where the developer uses
both the Jenkins server and the OpenShift to deliver updates to the application.
### Jenkins
