diff --git a/docs/source/1.0/spec/core/constraint-traits.rst b/docs/source/1.0/spec/core/constraint-traits.rst
index 9a7aecc20f5..1ed0e372ebd 100644
--- a/docs/source/1.0/spec/core/constraint-traits.rst
+++ b/docs/source/1.0/spec/core/constraint-traits.rst
@@ -360,7 +360,7 @@ Shape        Length constrains
 list         The number of members
 set          The number of members
 map          The number of key-value pairs
-string       The number of Unicode code points
+string       The number of `Unicode scalar values <https://www.unicode.org/glossary/#unicode_scalar_value>`__
 blob         The size of the blob in bytes
 ===========  =====================================