diff --git a/src/interest.cpp b/src/interest.cpp
index c1bed46..d53b949 100644
--- a/src/interest.cpp
+++ b/src/interest.cpp
@@ -192,10 +192,15 @@
         return false;
       // There's opportunity to inspect the Exclude filter and determine whether
       // the digest would make a difference.
-      // eg. "Exclude=<Any>AA" won't exclude any digest - fullName not needed
-      //     "Exclude=ZZ<Any>" excludes all digests - fullName not needed
-      //     "Exclude=<Any>80000000000000000000000000000000"
-      //         excludes half of the digests - fullName required
+      // eg. "<NameComponent>AA</NameComponent><Any/>" doesn't exclude any digest -
+      //     fullName not needed;
+      //     "<Any/><NameComponent>AA</NameComponent>" and
+      //     "<Any/><ImplicitSha256DigestComponent>ffffffffffffffffffffffffffffffff
+      //      </ImplicitSha256DigestComponent>"
+      //     excludes all digests - fullName not needed;
+      //     "<Any/><ImplicitSha256DigestComponent>80000000000000000000000000000000
+      //      </ImplicitSha256DigestComponent>"
+      //     excludes some digests - fullName required
       // But Interests that contain the exact Data Name before digest and also
       // contain Exclude filter is too rare to optimize for, so we request
       // fullName no mater what's in the Exclude filter.
@@ -393,4 +398,4 @@
   return os;
 }
 
-}
+} // namespace ndn