diff --git a/docs/astro.config.mjs b/docs/astro.config.mjs
index a739118..c5e0cf6 100644
--- a/docs/astro.config.mjs
+++ b/docs/astro.config.mjs
@@ -1,8 +1,14 @@
 import { defineConfig } from 'astro/config';
 import starlight from '@astrojs/starlight';
 
+const siteUrl = 'https://rep-protocol.dev';
+const ogImagePath = '/og-image.png';
+const ogImageUrl = `${siteUrl}${ogImagePath}`;
+const ogImageAlt =
+  'REP social card showing Runtime Environment Protocol for secure runtime environment variables in browser apps';
+
 export default defineConfig({
-  site: 'https://rep-protocol.dev',
+  site: siteUrl,
   integrations: [
     starlight({
       title: 'REP',
@@ -46,7 +52,42 @@ export default defineConfig({
           tag: 'meta',
           attrs: {
             property: 'og:image',
-            content: 'https://rep-protocol.dev/og-image.png',
+            content: ogImageUrl,
+          },
+        },
+        {
+          tag: 'meta',
+          attrs: {
+            property: 'og:image:secure_url',
+            content: ogImageUrl,
+          },
+        },
+        {
+          tag: 'meta',
+          attrs: {
+            property: 'og:image:type',
+            content: 'image/png',
+          },
+        },
+        {
+          tag: 'meta',
+          attrs: {
+            property: 'og:image:width',
+            content: '1200',
+          },
+        },
+        {
+          tag: 'meta',
+          attrs: {
+            property: 'og:image:height',
+            content: '630',
+          },
+        },
+        {
+          tag: 'meta',
+          attrs: {
+            property: 'og:image:alt',
+            content: ogImageAlt,
           },
         },
         {
@@ -60,7 +101,21 @@ export default defineConfig({
           tag: 'meta',
           attrs: {
             name: 'twitter:image',
-            content: 'https://rep-protocol.dev/og-image.png',
+            content: ogImageUrl,
+          },
+        },
+        {
+          tag: 'meta',
+          attrs: {
+            name: 'twitter:image:alt',
+            content: ogImageAlt,
+          },
+        },
+        {
+          tag: 'link',
+          attrs: {
+            rel: 'image_src',
+            href: ogImageUrl,
           },
         },
         {
diff --git a/spec/INTEGRATION-GUIDE.md b/spec/INTEGRATION-GUIDE.md
index c45c5c5..b2af324 100644
--- a/spec/INTEGRATION-GUIDE.md
+++ b/spec/INTEGRATION-GUIDE.md
@@ -4,7 +4,6 @@
 Document:  REP Integration Guide
 Version:   0.1.0
 Status:    Active
-Authors:   Olamide Adebayo (Ruach Tech)
 Created:   2026-02-18
 ```
 
diff --git a/spec/SECURITY-MODEL.md b/spec/SECURITY-MODEL.md
index f2de12c..b450f2d 100644
--- a/spec/SECURITY-MODEL.md
+++ b/spec/SECURITY-MODEL.md
@@ -4,7 +4,6 @@
 Document:  REP Security Model
 Version:   0.1.0
 Status:    Active
-Authors:   Olamide Olayinka (Ruach Tech)
 Created:   2026-02-18
 ```