Fill in Swift 6 FCS date

amartini51 · amartini51 · commit 8fc9ef0037d1 · 2024-09-10T08:32:57.000-07:00
diff --git a/TSPL.docc/RevisionHistory/RevisionHistory.md b/TSPL.docc/RevisionHistory/RevisionHistory.md
@@ -2,7 +2,7 @@
 
 Review the recent changes to this book.
 
-**XXX FCS date XXX**
+**2024-09-23**
 
 - Updated for Swift 6.
 - Added the <doc:Attributes#preconcurrency> section
