README: Update ver env var description

Commit 155cb01 replaced the read-only property of the ver env var
with an auto-restoring behavior. Update the README file accordingly.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Wolfgang Denk <wd@denx.de>

diff --git a/README b/README
index d45eba7..7e52e36 100644 (file)
--- a/README
+++ b/README
@@ -907,7 +907,8 @@ The following options need to be configured:
                If this variable is defined, an environment variable
                named "ver" is created by U-Boot showing the U-Boot
                version as printed by the "version" command.
-               This variable is readonly.
+               Any change to this variable will be reverted at the
+               next reset.
 
 - Real-Time Clock: