diff --git a/_sources/index.rst.txt b/_sources/index.rst.txt
index 9fac662..8fdd2ba 100644
--- a/_sources/index.rst.txt
+++ b/_sources/index.rst.txt
@@ -669,9 +669,9 @@ What if a sender won't support DKIM/DMARC?
 
  .. warning ::
 
-     Do not alter the ``p`` or ``sp`` values for DMARC record on the Top-Level
-     Domain (TLD) – that would leave you vulnerable to spoofing of any
-     subdomain.
+     Do not alter the ``p`` or ``sp`` values of the DMARC record on the
+     Top-Level Domain (TLD) – that would leave you vulnerable to spoofing of
+     your TLD and/or any subdomain.
 
 API
 ===
diff --git a/index.html b/index.html
index 843dce9..f0fbb89 100644
--- a/index.html
+++ b/index.html
@@ -739,9 +739,9 @@ separate SPF and DMARC records on <code class="docutils literal notranslate"><sp
 <blockquote>
 <div><div class="admonition warning">
 <p class="first admonition-title">Warning</p>
-<p class="last">Do not alter the <code class="docutils literal notranslate"><span class="pre">p</span></code> or <code class="docutils literal notranslate"><span class="pre">sp</span></code> values for DMARC record on the Top-Level
-Domain (TLD) – that would leave you vulnerable to spoofing of any
-subdomain.</p>
+<p class="last">Do not alter the <code class="docutils literal notranslate"><span class="pre">p</span></code> or <code class="docutils literal notranslate"><span class="pre">sp</span></code> values of the DMARC record on the
+Top-Level Domain (TLD) – that would leave you vulnerable to spoofing of
+your TLD and/or any subdomain.</p>
 </div>
 </div></blockquote>
 </div>