diff --git a/content/roadmaps/102-devops/content/101-os-concepts/readme.md b/content/roadmaps/102-devops/content/101-os-concepts/readme.md
index 5461c5483..8ca3121f7 100644
--- a/content/roadmaps/102-devops/content/101-os-concepts/readme.md
+++ b/content/roadmaps/102-devops/content/101-os-concepts/readme.md
@@ -1,6 +1,6 @@
 # Operating System
 
-Operating System is a program that manages a computer’s resources, especially the allocation of those resources among other programs. Typical resources include the central processing unit (CPU), computer memory, file storage, input/output (I/O) devices, and network connections.
+An Operating System is a program that manages a computer’s resources, especially the allocation of those resources among other programs. Typical resources include the central processing unit (CPU), computer memory, file storage, input/output (I/O) devices, and network connections.
 
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://edu.gcfglobal.org/en/computerbasics/understanding-operating-systems/1/'>What is an operating system?</BadgeLink>