add sentence terminator (.)
@@ -6,7 +6,7 @@ The fastest way to get started with `defmt` is to use our [app-template] to set
[app-template]: https://github.com/knurling-rs/app-template
-For more details about the framework check the book at https://defmt.ferrous-systems.com
+For more details about the framework check the book at https://defmt.ferrous-systems.com .
## Support
