Adjust comments about SEED synchronisation

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 560ff79..5adc871 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -161,7 +161,11 @@
     KEEP_GOING=0
 
     # Seed value used with the --release-test option.
-    # !!! Keep this in sync with SEED in basic-build-test.sh !!!
+    #
+    # See also RELEASE_SEED in basic-build-test.sh. Debugging is easier if
+    # both values are kept in sync. If you change the value here because it
+    # breaks some tests, you'll definitely want to change it in
+    # basic-build-test.sh as well.
     RELEASE_SEED=1
 
     # Default commands, can be overridden by the environment
diff --git a/tests/scripts/basic-build-test.sh b/tests/scripts/basic-build-test.sh
index 639a349..1d21dc7 100755
--- a/tests/scripts/basic-build-test.sh
+++ b/tests/scripts/basic-build-test.sh
@@ -84,7 +84,10 @@
 : ${GNUTLS_LEGACY_SERV:="$GNUTLS_SERV"}
 
 # Used to make ssl-opt.sh deterministic.
-# !!! Keep this in sync with RELEASE_SEED in all.sh !!!
+#
+# See also RELEASE_SEED in all.sh. Debugging is easier if both values are kept
+# in sync. If you change the value here because it breaks some tests, you'll
+# definitely want to change it in all.sh as well.
 : ${SEED:=1}
 export SEED