diff --git a/guide/english/certifications/index.md b/guide/english/certifications/index.md
index ba52f44473..a263adb367 100644
--- a/guide/english/certifications/index.md
+++ b/guide/english/certifications/index.md
@@ -14,7 +14,7 @@ There are six freeCodeCamp certificates:
 - APIs and Microservices
 - Information Security and Quality Assurance
 
-Each certificate curriculum should take approximately 300 hours to complete and includes 5 required projects, while other challenges are optional.
+Each certificate curriculum should take approximately 300 hours to complete, and includes 5 required projects, while other challenges are optional.
 
 ### The Full Stack Development Program Certificate