ping: set CanBePrefix=false
This commit also sets CanBePrefix in ndndump and ndnpoke tests.
refs #4581
Change-Id: Ie91839426acc02f1879495312ad7ef131e8dac57
diff --git a/tools/ping/README.md b/tools/ping/README.md
index 8c0c513..8df5adc 100644
--- a/tools/ping/README.md
+++ b/tools/ping/README.md
@@ -67,8 +67,10 @@
one or more printable characters only, to make it easier for a human operator to read the logs.
A client implementation MAY restrict this field to be non-empty and have printable characters only.
-The probe Interest SHOULD carry MustBeFresh selector by default.
-A client implementation MAY allow the operator to turn off MustBeFresh selector.
+The probe Interest SHOULD NOT carry CanBePrefix element.
+
+The probe Interest SHOULD carry MustBeFresh element.
+A client implementation MAY allow the operator to remove MustBeFresh element.
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