pySim-read: adjust meaning of HPLMN/OPLMN flags in EF_SPN

The updated wording better reflects the actual meaning
of a set or unset flag, especially as OPLMN is inverted.

Change-Id: I65c6f0e9bc1a12a4a74c4274eebb8e612296888f
diff --git a/pySim-read.py b/pySim-read.py
index 1614a39..1f2e123 100755
--- a/pySim-read.py
+++ b/pySim-read.py
@@ -126,8 +126,8 @@
 		(res, sw) = card.read_spn()
 		if sw == '9000':
 			print("SPN: %s" % (res[0] or "Not available"))
-			print("Display HPLMN: %s" % (res[1],))
-			print("Display OPLMN: %s" % (res[2],))
+			print("Show in HPLMN: %s" % (res[1],))
+			print("Hide in OPLMN: %s" % (res[2],))
 		else:
 			print("SPN: Can't read, response code = %s" % (sw,))
 	except Exception as e: