diff --git a/ExampleCodes/Basic/main_C/main.cpp b/ExampleCodes/Basic/main_C/main.cpp
index 57d26a4a..9127c79d 100644
--- a/ExampleCodes/Basic/main_C/main.cpp
+++ b/ExampleCodes/Basic/main_C/main.cpp
@@ -99,7 +99,7 @@ void test_parameters ()
         pp.getarr("an_int_array", ia);
         pp.get("a_real_scalar", r);
         pp.get("a_string", s);
-        amrex::Print() << "an_int_array = ";
+        amrex::Print() << "a_prefix.an_int_array = ";
         for (auto x : ia) {
             amrex::Print() << x << " ";
         }
@@ -107,4 +107,13 @@ void test_parameters ()
         amrex::Print() << "a_prefix.a_real_scalar = " << r << "\n"
                        << "a_prefix.a_string = " << s << "\n";
     }
+
+    {
+        amrex::ParmParse pp;
+        amrex::Print() << "Inputs that start with 'a_prefix':\n";
+        auto entr = pp.getEntries ("a_prefix");
+        for (auto && v : entr) {
+            amrex::Print() << " " << v << "\n";
+        }
+    }
 }