diff --git a/README.md b/README.md
index e14857d..c30058c 100644
--- a/README.md
+++ b/README.md
@@ -173,7 +173,7 @@ The package ships dual CJS/ESM builds with full `.d.ts` and `.d.mts` declaration
 
 ## Architecture
 
-A thin adapter over [hijri-core](https://github.com/acamarata/hijri-core) that maps the Temporal Calendar Protocol to Hijri calendar engine calls. The `UaqCalendar` and `FcnaCalendar` classes implement `Temporal.CalendarProtocol` — the package itself adds no calendar math.
+A thin adapter over [hijri-core](https://github.com/acamarata/hijri-core) that maps the Temporal Calendar Protocol to Hijri calendar engine calls. The `UaqCalendar` and `FcnaCalendar` classes implement `Temporal.CalendarProtocol`: the package itself adds no calendar math.
 
 For more detail see the [Architecture wiki page](https://github.com/acamarata/temporal-hijri/wiki/Architecture).