diff --git a/jax/random.py b/jax/random.py
index 729de54f9d03..923e41e281ad 100644
--- a/jax/random.py
+++ b/jax/random.py
@@ -199,12 +199,16 @@
     "PRNGKeyArray": (
         "jax.random.PRNGKeyArray is deprecated. Use jax.Array for annotations, and "
         "jax.dtypes.issubdtype(arr.dtype, jax.dtypes.prng_key) for runtime detection of "
-        "typed prng keys.", _PRNGKeyArray
+        "typed prng keys (i.e. keys created with jax.random.key).\n"
+        "For more information, see https://jax.readthedocs.io/en/latest/jep/9263-typed-keys.html",
+        _PRNGKeyArray
     ),
     "KeyArray": (
         "jax.random.KeyArray is deprecated. Use jax.Array for annotations, and "
         "jax.dtypes.issubdtype(arr.dtype, jax.dtypes.prng_key) for runtime detection of "
-        "typed prng keys.", _PRNGKeyArray
+        "typed prng keys (i.e. keys created with jax.random.key).\n"
+        "For more information, see https://jax.readthedocs.io/en/latest/jep/9263-typed-keys.html",
+        _PRNGKeyArray
     ),
     # Added September 21, 2023
     "threefry2x32_key": (