diff --git a/public/css/style.less b/public/css/style.less
index 4ea31d8a9d..ffa6357a27 100644
--- a/public/css/style.less
+++ b/public/css/style.less
@@ -389,7 +389,7 @@ body .navbar .nodebb-inline-block {
 
 .post-signature {
   color: #666;
-  font-size: 12px;
+  font-size: 12.5px;
   border-top: 1px solid #ddd;
   display: inline-block;
 	
diff --git a/src/postTools.js b/src/postTools.js
index c8a982bbc6..4a00f897b6 100644
--- a/src/postTools.js
+++ b/src/postTools.js
@@ -147,8 +147,12 @@ var	RDB = require('./redis.js'),
 		});
 
 		if (md.length > 0) {
-			var	parsedContentDOM = cheerio.load(marked(md));
-			parsedContentDOM('a').attr('rel', 'nofollow').attr('target', '_blank');
+			var	parsedContentDOM = cheerio.load(marked(md)),
+				anchorText = parsedContentDOM.text();
+			parsedContentDOM('a').each(function() {
+				this.attr('rel', 'nofollow').attr('target', '_blank');
+				this.append(' <i class="icon-external-link"></i>');
+			});
 			html = parsedContentDOM.html();
 		} else html = '<p></p>';