diff --git a/scripts/build.js b/scripts/build.js
index e6891d7c3..b9dd0c43d 100644
--- a/scripts/build.js
+++ b/scripts/build.js
@@ -95,9 +95,11 @@ function generateCounts(rootDir, skills, buildDir) {
       }
     }
 
-    // Check for stale detection counts
+    // Check for stale detection counts. Use the changelog-stripped content
+    // so historical counts in changelog entries (e.g. "28 rules" from an
+    // older release) don't flag against the current detector total.
     const detectPattern = /\b(\d+)\s+(deterministic\s+)?(checks|patterns|rules|detections)/gi;
-    for (const match of content.matchAll(detectPattern)) {
+    for (const match of strippedContent.matchAll(detectPattern)) {
       const num = parseInt(match[1]);
       if (num !== detectionCount && num > 10) { // ignore small numbers like "3 patterns"
         console.error(`  ❌ ${relPath}: found "${match[0]}" but detection count is ${detectionCount}`);
diff --git a/site/pages/index.astro b/site/pages/index.astro
index 5ee3451d1..b5d1b78fb 100644
--- a/site/pages/index.astro
+++ b/site/pages/index.astro
@@ -491,7 +491,7 @@ import '../styles/sub-pages.css';
 
             <article class="why-panel" id="why-panel-6" role="tabpanel" data-index="6" hidden>
               <h3 class="why-panel-title">Block AI slop before it ships.</h3>
-              <p class="why-panel-body">Run <code>npx impeccable detect src/</code> on a PR branch and get JSON output with every purple gradient, nested card, low-contrast label, and gradient-text heading caught. Fail the build on severity. 28 deterministic checks, no LLM required, no API key, no flaky scoring. Gate your PRs the same way you gate lint and types.</p>
+              <p class="why-panel-body">Run <code>npx impeccable detect src/</code> on a PR branch and get JSON output with every purple gradient, nested card, low-contrast label, and gradient-text heading caught. Fail the build on severity. 29 deterministic checks, no LLM required, no API key, no flaky scoring. Gate your PRs the same way you gate lint and types.</p>
               <div class="why-visual why-visual--ci">
                 <div class="why-ci-window">
                   <div class="why-ci-header">
@@ -507,7 +507,7 @@ import '../styles/sub-pages.css';
                   </div>
                 </div>
               </div>
-              <p class="why-panel-meta">28 rules &middot; <code>--json</code> &middot; <code>--fast</code> &middot; exit codes for CI.</p>
+              <p class="why-panel-meta">29 rules &middot; <code>--json</code> &middot; <code>--fast</code> &middot; exit codes for CI.</p>
             </article>
 
             <article class="why-panel" id="why-panel-7" role="tabpanel" data-index="7" hidden>
@@ -834,7 +834,7 @@ import '../styles/sub-pages.css';
             <svg class="install-step-arrow" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" aria-hidden="true"><path d="M9 6l6 6-6 6"/></svg>
           </summary>
           <div class="install-step-body">
-            <p class="install-path-desc">Run anti-pattern scans outside the skill: in CI, in a PR check, or against a whole directory. 28 deterministic rules, no LLM required, JSON output ready for build gates.</p>
+            <p class="install-path-desc">Run anti-pattern scans outside the skill: in CI, in a PR check, or against a whole directory. 29 deterministic rules, no LLM required, JSON output ready for build gates.</p>
 
             <div class="install-cmd-block">
               <div class="install-cmd-line">