content(update): System page 'index'

content/system-pages/en/index.md

@@ -4,13 +4,13 @@ navigation: false
 image:
   light: /assets/images/approaching_byzantium_logo.png
   dark: /assets/images/apbyz_logo_inv.png
-leadIn: "The [Approaching Byzantium in Ottoman
+leadIn: 'The Project "[Approaching Byzantium in Ottoman
   Istanbul](https://www.byzanz-mainz.de/): the Reception of the Byzantine
   Heritage of Constantinople by Scholars from the Holy Roman Empire in the 16th
-  century project analyzes how visiting the city of Constantinople affected the
+  century" analyzes how visiting the city of Constantinople affected the
   reception of Byzantium by humanists from the Holy Roman Empire in the 16th
   century, when the former Byzantine capital was the seat of the Ottoman
-  Empire."
+  Empire.'
 links:
   - label: View data
     href: /data