[PATCH v2] INSTALL: remove unsupported XEN_CONFIG_EXPERT from documentation

[dmukhin@xxxxxxx]

From: Denis Mukhin <dmukhin@xxxxxxxx> 

Amends: 37339ba9ef46 ("automation: Remove XEN_CONFIG_EXPERT leftovers")
Signed-off-by: Denis Mukhin <dmukhin@xxxxxxxx>
---
Changes since v1:
- rephrased a note about EXPERT features
- Link to v1: 
https://lore.kernel.org/xen-devel/20260108141641.506534-2-dmukhin@xxxxxxxx/
---
 INSTALL | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/INSTALL b/INSTALL
index c2e756bf4b2b..919e1c04891b 100644
--- a/INSTALL
+++ b/INSTALL
@@ -33,11 +33,11 @@ small subset of the options.  Attempts to change other 
options will be
 silently overridden.  The only way to find which configuration options
 are available is to run `make menuconfig' or the like.
 
-You can counter-override this behaviour by setting XEN_CONFIG_EXPERT=y
-in your environment.  However, doing this is not supported and the
-resulting configurations do not receive security support.  If you set
-this variable there is nothing stopping you setting dangerously
-experimental combinations of features - not even any warnings.
+This behavior can be overridden by enabling "Configure EXPERT features"
+in Kconfig (CONFIG_EXPERT). However, resulting configurations do not
+receive security support. In addition, CONFIG_EXPERT permits the
+selection of experimental and potentially unsafe feature combinations
+without generating configuration warnings.
 
 Options recognized by configure
 ===============================
-- 
2.52.0