diff --git a/policy/tpa-rfc-15-email-services.md b/policy/tpa-rfc-15-email-services.md
index 69c17cef0f8182cd9410bb5e9c50b9243860724f..c0d24e5e3af2f2f686d4e21226f929321601937c 100644
--- a/policy/tpa-rfc-15-email-services.md
+++ b/policy/tpa-rfc-15-email-services.md
@@ -497,7 +497,7 @@ Summary:
    5,000-20,000EUR/year in staff
  * hardware costs: possibly up to 2200EUR/year
 
-## Staff
+### Staff
 
 This is an estimate of the time it will take to complete this project,
 based on the tasks established in the [actual changes section][]. The
@@ -537,7 +537,7 @@ We should consider at least one person-day per month, possibly even
 per week, which gives us a range of 12 to 52 days of work, for an
 extra cost of 5,000-20,000EUR, per year.
 
-## Hardware
+### Hardware
 
 In [the submission service hosting cost evaluation][], the hardware
 costs related to mailboxes were evaluated at about 2500EUR/year with a