Adjust docs

README.md

@@ -18,11 +18,11 @@ Its goal is to be as ergonomic as possible while doing the right thing by defaul
 It is the result of years of copy-pasting the same configuration over and over again:
 
 - Retry only on certain exceptions.
-- Exponential backoff with _jitter_ between retries.
+- Exponential **backoff** with **jitter** between retries.
 - Limit the number of retries **and** total time.
 - Automatic **async** support.
 - Preserve **type hints** of the decorated callable.
-- Count ([Prometheus](https://github.com/prometheus/client_python)) and log ([*structlog*](https://www.structlog.org/)) retries with basic metadata, if they're installed.
+- Count ([Prometheus](https://github.com/prometheus/client_python)) and log ([*structlog*](https://www.structlog.org/) with fallback to `logging`) retries with basic metadata, if they're installed.
 - Easy _global_ deactivation for testing.
 
 For example:

docs/tutorial.md

@@ -29,7 +29,7 @@ def do_it(code: int) -> httpx.Response:
 This will retry the function up to 3 times if it raises an {class}`httpx.HTTPError` (or any subclass thereof).
 Since retrying on {class}`Exception` is an [*attractive nuisance*](https://blog.ganssle.io/articles/2023/01/attractive-nuisances.html), *stamina* doesn't do it by default and forces you to be explicit.
 
-To give you observability of your application's retrying, *stamina* will count the retries using [*prometheus-client*](https://github.com/prometheus/client_python) in the `stamina_retries_total` counter and log them out using [*structlog*](https://www.structlog.org/), if they're installed.
+To give you observability of your application's retrying, *stamina* will count the retries using [*prometheus-client*](https://github.com/prometheus/client_python) in the `stamina_retries_total` counter (if installed) and log them out using [*structlog*](https://www.structlog.org/) with a fallback to {mod}`logging`.
 
 
 ## Arbitrary Code Blocks