3 files changed, 4 insertions, 8 deletions

diff --git a/docs/devel/build-system.rst b/docs/devel/build-system.rst
index 64efa26b90..0f990bb3e9 100644
--- a/docs/devel/build-system.rst
+++ b/docs/devel/build-system.rst
@@ -460,17 +460,13 @@ Built by configure:
 
 ``config-host.mak``
   When configure has determined the characteristics of the build host it
-  will write them to this file for use in ``Makefile`` and to a smaller
-  extent ``meson.build``. These include the paths to various tools and a
-  variety of ``CONFIG_*`` variables related to optionally enabled features.
+  will write the paths to various tools to this file, for use in ``Makefile``
+  and to a smaller extent ``meson.build``.
 
   ``config-host.mak`` is also used as a dependency checking mechanism. If make
   sees that the modification timestamp on configure is newer than that on
   ``config-host.mak``, then configure will be re-run.
 
-  The variables defined here apply to all QEMU
-  build outputs.
-
 ``config-meson.cross``
 
   A Meson "cross file" (or native file) used to communicate the paths to
diff --git a/docs/devel/kconfig.rst b/docs/devel/kconfig.rst
index e3a544e463..73f52de106 100644
--- a/docs/devel/kconfig.rst
+++ b/docs/devel/kconfig.rst
@@ -316,6 +316,6 @@ variable::
 
     host_kconfig = \
       (have_tpm ? ['CONFIG_TPM=y'] : []) + \
-      ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
+      (targetos == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
       (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
       ...
diff --git a/docs/system/replay.rst b/docs/system/replay.rst
index 3105327423..ca7c17c63d 100644
--- a/docs/system/replay.rst
+++ b/docs/system/replay.rst
@@ -181,7 +181,7 @@ Audio data is recorded and replay automatically. The command line for recording
 and replaying must contain identical specifications of audio hardware, e.g.:
 
 .. parsed-literal::
-    -soundhw ac97
+    -audio pa,model=ac97
 
 Serial ports
 ------------