diff --git a/README.md b/README.md
index 648f369..662da21 100644
--- a/README.md
+++ b/README.md
@@ -134,13 +134,13 @@ let ratio_deref: f64 = *(l1 / l2);
 assert_eq!(ratio_value, ratio_deref);
 ```
 ## Unchecked creation and conversion
-If absolutely required, `.value_unchecked()` provides access to the underlying storage type for all quantities. This is not unit-safe since the return value will depend on the unit system!
+If absolutely required, `.value_unchecked()` provides access to the underlying storage type for all quantities. This is **not unit-safe** since the return value will depend on the unit system!
 ```rust
 let length: Length<f64> = 5.0 * kilometers;
 let value: f64 = length.value_unchecked();
 assert_eq!(value, 5000.0); // This only holds in SI units!
 ```
-Similarly, if absolutely required, new quantities can be constructed from storage types using `Quantity::new_unchecked`. This operation is also not unit-safe!
+Similarly, if absolutely required, new quantities can be constructed from storage types using `Quantity::new_unchecked`. This operation is also **not unit-safe**!
 ```rust
 let length: Length<f64> = Length::new_unchecked(5000.0);
 assert_eq!(length, 5.0 * kilometers); // This only holds in SI units!
diff --git a/src/lib.rs b/src/lib.rs
index ec843d0..59de385 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -159,7 +159,7 @@
 //! assert_eq!(ratio_value, ratio_deref);
 //! ```
 //! ## Unchecked creation and conversion
-//! If absolutely required, `.value_unchecked()` provides access to the underlying storage type for all quantities. This is not unit-safe since the return value will depend on the unit system!
+//! If absolutely required, `.value_unchecked()` provides access to the underlying storage type for all quantities. This is **not unit-safe** since the return value will depend on the unit system!
 //! ```
 //! # #![feature(generic_const_exprs)]
 //! # use diman::si::dimensions::{Length};
@@ -168,7 +168,7 @@
 //! let value: f64 = length.value_unchecked();
 //! assert_eq!(value, 5000.0); // This only holds in SI units!
 //! ```
-//! Similarly, if absolutely required, new quantities can be constructed from storage types using `Quantity::new_unchecked`. This operation is also not unit-safe!
+//! Similarly, if absolutely required, new quantities can be constructed from storage types using `Quantity::new_unchecked`. This operation is also **not unit-safe**!
 //! ```
 //! # #![feature(generic_const_exprs)]
 //! # use diman::si::dimensions::{Length};