rename channels to channels_builtin (#17330)

* improve test coverage for isolation

* a bit better

* rename channels to channels_builtin

2 files changed, 2 insertions, 2 deletions

diff --git a/doc/lib.rst b/doc/lib.rst
index 47ede70ee..2a4c2c03c 100644
--- a/doc/lib.rst
+++ b/doc/lib.rst
@@ -39,7 +39,7 @@ Automatic imports
   Basic Nim thread support. **Note:** This is part of the system module. Do not
   import it explicitly. Enabled with ``--threads:on``.
 
-* `channels <channels.html>`_
+* `channels <channels_builtin.html>`_
   Nim message passing support for threads. **Note:** This is part of the
   system module. Do not import it explicitly. Enabled with ``--threads:on``.
 
diff --git a/doc/manual.rst b/doc/manual.rst
index 4686247d2..89b3bdb94 100644
--- a/doc/manual.rst
+++ b/doc/manual.rst
@@ -7721,7 +7721,7 @@ Threads
 
 To enable thread support the ``--threads:on`` command-line switch needs to
 be used. The ``system`` module then contains several threading primitives.
-See the `threads <threads.html>`_ and `channels <channels.html>`_ modules
+See the `threads <threads.html>`_ and `channels <channels_builtin.html>`_ modules
 for the low-level thread API. There are also high-level parallelism constructs
 available. See `spawn <manual_experimental.html#parallel-amp-spawn>`_ for
 further details.