Update 5.3 release post description (#6)

MaxDesiatov · web-flow · commit 59c1b04f1d5d · 2020-11-11T08:51:41.000+09:00
diff --git a/Content/posts/5-3-released.md b/Content/posts/5-3-released.md
@@ -1,6 +1,6 @@
 ---
 date: 2020-11-10 0:39
-description: The first stable toolchain release of SwiftWasm!
+description: Our stable 5.3 release of the toolchain is now available
 ---
 
 # The first stable toolchain release of SwiftWasm!
