diff --git a/src/i18n/messages.js b/src/i18n/messages.js
index a8c49bd..08cda4c 100644
--- a/src/i18n/messages.js
+++ b/src/i18n/messages.js
@@ -84,6 +84,6 @@ export class Messages {
       return bundle.formatPattern(message.value, attributes);
     }
 
-    throw new Error('Unknown or unsupported message key specified.');
+    throw new Error(`Unknown or unsupported message key specified: ${key}`);
   }
 }
diff --git a/src/resume.handlebars b/src/resume.handlebars
index 599ef41..451b679 100644
--- a/src/resume.handlebars
+++ b/src/resume.handlebars
@@ -26,7 +26,7 @@
   <meta property="og:image" content="{{resume.basics.image}}">
   <link rel="icon" href="{{resume.basics.image}}">
   {{#if resume.basics.name}}
-  <meta property="og:image:alt" content="{{i18n "avatar" "name" resume.basics.name}}">
+  <meta property="og:image:alt" content="{{i18n "avatar-description" "name" resume.basics.name}}">
   {{/if}}
   {{/if}}