diff --git a/chrome/content/zotero/zoteroPane.js b/chrome/content/zotero/zoteroPane.js
index 7c3426ea7e..e3da53ce17 100644
--- a/chrome/content/zotero/zoteroPane.js
+++ b/chrome/content/zotero/zoteroPane.js
@@ -3369,7 +3369,7 @@ var ZoteroPane = new function()
 		
 		for each(var item in items) {
 			if (item.isRegularItem()) {
-				//Prefer physical attachments (not links)
+				// Prefer local file attachments
 				var uri = Components.classes["@mozilla.org/network/standard-url;1"]
 							.createInstance(Components.interfaces.nsIURI);
 				var snapID = item.getBestAttachment();
@@ -3384,7 +3384,7 @@ var ZoteroPane = new function()
 					}
 				}
 				
-				//fall back to URI  field then DOI
+				// Fall back to URI field, then DOI
 				var uri = item.getField('url');
 				if (!uri) {
 					var doi = item.getField('DOI');
@@ -3397,12 +3397,12 @@ var ZoteroPane = new function()
 					}
 				}
 				
-				//fall back to first link attachment
-				if(!uri) {
+				// Fall back to first attachment link
+				if (!uri) {
 					var link = item.getAttachments()[0];
-					if(link) {
+					if (link) {
 						link = Zotero.Items.get(link);
-						if(link) uri = link.getField('url');
+						if (link) uri = link.getField('url');
 					}
 				}