Update TOC.yml

Typo fix

Author: kellydevens

articles/orbital/TOC.yml

@@ -5,7 +5,7 @@ items:
   items:
   - name: Why use Azure Orbital Ground Station?
     href: overview.md
-  - name: Get started with Azure Orbital Ground Staion
+  - name: Get started with Azure Orbital Ground Station
     href: get-started.md
   - name: What is the Azure Space Partner Community?
     href: space-partner-program-overview.md