diff --git a/ShareX.UploadersLib/CustomUploader/CustomUploaderParser.cs b/ShareX.UploadersLib/CustomUploader/CustomUploaderParser.cs
index b012484a3..5cf099c56 100644
--- a/ShareX.UploadersLib/CustomUploader/CustomUploaderParser.cs
+++ b/ShareX.UploadersLib/CustomUploader/CustomUploaderParser.cs
@@ -362,8 +362,7 @@ private string ParseSyntaxJson(string syntaxJsonPath)
             return null;
         }
 
-        // http://www.w3schools.com/xsl/xpath_syntax.asp
-        // https://msdn.microsoft.com/en-us/library/ms256086(v=vs.110).aspx
+        // https://www.w3schools.com/xml/xpath_syntax.asp
         private string ParseSyntaxXml(string syntaxXPath)
         {
             if (!string.IsNullOrEmpty(syntaxXPath))
diff --git a/ShareX.UploadersLib/CustomUploader/Functions/CustomUploaderFunctionJson.cs b/ShareX.UploadersLib/CustomUploader/Functions/CustomUploaderFunctionJson.cs
index 475e036dc..05c9fff7d 100644
--- a/ShareX.UploadersLib/CustomUploader/Functions/CustomUploaderFunctionJson.cs
+++ b/ShareX.UploadersLib/CustomUploader/Functions/CustomUploaderFunctionJson.cs
@@ -34,6 +34,7 @@ internal class CustomUploaderFunctionJson : CustomUploaderFunction
 
         public override string Call(CustomUploaderSyntaxParser parser, string[] parameters)
         {
+            // https://goessner.net/articles/JsonPath/
             string jsonPath = parameters[0];
 
             if (!string.IsNullOrEmpty(jsonPath))
diff --git a/ShareX.UploadersLib/CustomUploader/Functions/CustomUploaderFunctionXml.cs b/ShareX.UploadersLib/CustomUploader/Functions/CustomUploaderFunctionXml.cs
index edd39f250..1decef5c7 100644
--- a/ShareX.UploadersLib/CustomUploader/Functions/CustomUploaderFunctionXml.cs
+++ b/ShareX.UploadersLib/CustomUploader/Functions/CustomUploaderFunctionXml.cs
@@ -35,6 +35,7 @@ internal class CustomUploaderFunctionXml : CustomUploaderFunction
 
         public override string Call(CustomUploaderSyntaxParser parser, string[] parameters)
         {
+            // https://www.w3schools.com/xml/xpath_syntax.asp
             string xpath = parameters[0];
 
             if (!string.IsNullOrEmpty(xpath))