docs(crdb): add sentence to relate crdb adapters to pg ones

diff --git a/docs/api/crdb.rst b/docs/api/crdb.rst
index d0aa1f261001fce7f8c859a61275a79bcee539a1..bda619bd9fa7b007f8067f9d391ec9a8c3d787a4 100644 (file)
--- a/docs/api/crdb.rst
+++ b/docs/api/crdb.rst
@@ -100,7 +100,8 @@ CockroachDB-specific objects
     converted into each other.
  
     The map is used as a template when new connections are created, using
-    `psycopg.crdb.connect()`.
+    `psycopg.crdb.connect()` (similarly to the way `psycopg.adapters` is used
+    as template for new PostgreSQL connections).
 
     This registry contains only the types and adapters supported by
     CockroachDB. Several PostgreSQL types and adapters are missing or