diff --git a/README.md b/README.md
index 54d3eb8..710e72b 100644
--- a/README.md
+++ b/README.md
@@ -15,11 +15,14 @@ off [`BTreeMap`].
 
 `no_std` is supported and should work with the default features.
 
-## You must implement `Copy`
+## `Copy` is partially required
 
 Due to implementation complications with non-`Copy` types the
-datastructures currently require both the range type and the points
-the ranges are over to be `Copy`.
+datastructures currently require both the range type and the points the
+ranges are over to be `Copy`. However, the value type used when using
+the [`DiscreteRangeMap`] does not have to be `Copy`. In fact the only
+required traits on the value type are sometimes `Clone` or `Eq` but only
+for some methods so if in doubt check a methods trait bounds.
 
 ## Example using an Inclusive-Exclusive range
 
diff --git a/src/lib.rs b/src/lib.rs
index 82e5758..b5ebded 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -23,11 +23,14 @@ along with discrete_range_map. If not, see <https://www.gnu.org/licenses/>.
 //!
 //! `no_std` is supported and should work with the default features.
 //!
-//! ## You must implement `Copy`
+//! ## `Copy` is partially required
 //!
 //! Due to implementation complications with non-`Copy` types the
-//! datastructures currently require both the range type and the points
-//! the ranges are over to be `Copy`.
+//! datastructures currently require both the range type and the points the
+//! ranges are over to be `Copy`. However, the value type used when using
+//! the [`DiscreteRangeMap`] does not have to be `Copy`. In fact the only
+//! required traits on the value type are sometimes `Clone` or `Eq` but only
+//! for some methods so if in doubt check a methods trait bounds.
 //!
 //! ## Example using an Inclusive-Exclusive range
 //!