Add placeholder for 5.10 FCS date

amartini51 · amartini51 · commit 8aca7f91a20c · 2024-02-22T14:03:20.000-08:00
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.
 
-**2024-02-13**
+**XXX release date XXX**
 
 - Updated for Swift 5.10.
 - Added information about nested protocols
