laguage and copyright date corrections, no code changes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/ash_test/ash-signals/signal1.tests b/shell/ash_test/ash-signals/signal1.tests
index 3c42473..28bfc6a 100755
--- a/shell/ash_test/ash-signals/signal1.tests
+++ b/shell/ash_test/ash-signals/signal1.tests
@@ -6,7 +6,7 @@
     echo "sent $try signal"
 done &
 
-# Ensure "wait" have something to wait for
+# Ensure "wait" has something to wait for
 sleep 2 &
 
 # Ensure we do not execute "trap" below before "kill -USR1" above