[LTP] [PATCH 1/2] doc/user-guide: Improve LTPROOT docs

[Petr Vorel <pvorel@suse.cz>]

Signed-off-by: Petr Vorel <pvorel@suse.cz>
---
 doc/user-guide.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/doc/user-guide.txt b/doc/user-guide.txt
index b1ab13832e..5f5a86c9d0 100644
--- a/doc/user-guide.txt
+++ b/doc/user-guide.txt
@@ -11,7 +11,9 @@ For running LTP network tests see `testcases/network/README.md`.
 | 'KCONFIG_PATH'        | The path to the kernel config file, (if not set, it tries
                           the usual paths '/boot/config-RELEASE' or '/proc/config.gz').
 | 'KCONFIG_SKIP_CHECK'  | Skip kernel config check if variable set (not set by default).
-| 'LTPROOT'             | Prefix for installed LTP, the default is '/opt/ltp'.
+| 'LTPROOT'             | Prefix for installed LTP.  **Should be always set**
+                          as some tests need it for path to test data files
+                          ('LTP_DATAROOT'). LTP is by default installed into '/opt/ltp'.
 | 'LTP_COLORIZE_OUTPUT' | Force colorized output behaviour. 'y' or '1': always colorize
                           'n' or '0': never colorize.
 | 'LTP_DEV'             | Path to the block device to be used
-- 
2.34.1


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