Fix formatting

docs/known_issues.md

@@ -19,14 +19,15 @@ Install `baybe` into a clean environment without pre-existing
 packages. If you require other packages, try to install `baybe` first.
 ```
 
-### CPUs without AVX support - Installation of `polars`
+### CPUs without AVX support – Installation of `polars`
 The package `polars` that can be installed as an optional dependency is only supported for
 CPUs with AVX support. As a consequence, you might not be able to install the optional dependency.
 This is in particular the case for M1 Macs, as these do not offer this support.
 
 ```{admonition} Suggested Fix
 :class: tip
-Instead of `polars`, install `polars-lts-cpu`. BayBE will automatically detect the presence of `polars` and active its advanced machinery. For more details, we refer to the
+Instead of `polars`, install `polars-lts-cpu`. BayBE will automatically detect the
+presence of `polars` and active its advanced machinery. For more details, we refer to the
 [polars installation guide](https://docs.pola.rs/user-guide/installation/).
 ```