diff --git a/whisper_scalability/report.html b/whisper_scalability/report.html
index 7c3e17a..1894db2 100644
--- a/whisper_scalability/report.html
+++ b/whisper_scalability/report.html
@@ -16,7 +16,7 @@ Goals:
 2. Staying with in a reasonable bandwidth limit for limited data plans.
 3. Do the above without materially impacting existing nodes.
 
-<span style="filter: contrast(70%) brightness(190%);color:fuchsia;">Case 1. Only receiving messages meant for you</span>
+<span style="filter: contrast(70%) brightness(190%);color:fuchsia;">Case 1. Only receiving messages meant for you [naive case]</span>
 
 Assumptions:
 - A1. Envelope size (static): 1024kb
@@ -29,7 +29,7 @@ Assumptions:
 <span style="filter: contrast(70%) brightness(190%);color:#3333FF;">For  1m users, receiving bandwidth is 1000.0KB/day</span>
 
 ------------------------------------------------------------
-<span style="filter: contrast(70%) brightness(190%);color:fuchsia;">Case 2. Receiving messages for everyone</span>
+<span style="filter: contrast(70%) brightness(190%);color:fuchsia;">Case 2. Receiving messages for everyone [naive case]</span>
 
 Assumptions:
 - A1. Envelope size (static): 1024kb
diff --git a/whisper_scalability/whisper.py b/whisper_scalability/whisper.py
index d6209d0..dd448da 100644
--- a/whisper_scalability/whisper.py
+++ b/whisper_scalability/whisper.py
@@ -162,7 +162,7 @@ def case1():
         return envelope_size * envelopes_per_message * \
             received_messages_per_day
 
-    print_header("Case 1. Only receiving messages meant for you")
+    print_header("Case 1. Only receiving messages meant for you [naive case]")
     print_assumptions([a1, a2, a3, a4])
     print_usage(load_users)
     print("------------------------------------------------------------")
@@ -174,7 +174,7 @@ def case2():
         return envelope_size * envelopes_per_message * \
             received_messages_per_day * n_users
 
-    print_header("Case 2. Receiving messages for everyone")
+    print_header("Case 2. Receiving messages for everyone [naive case]")
     print_assumptions([a1, a2, a3, a5])
     print_usage(load_users)
     print("------------------------------------------------------------")