diff --git a/Modules.Language/Utils.vb b/Modules.Language/Utils.vb
index 6378ad99..c7c1416b 100644
--- a/Modules.Language/Utils.vb
+++ b/Modules.Language/Utils.vb
@@ -115,6 +115,10 @@ Public Class Utils
     ''' * Illegal Path-characters
     ''' * Unicode characters that classify as Emoji
     ''' * All characters above codepoint U+10000
+    ''' 
+    ''' See: 
+    ''' https://stackoverflow.com/questions/46905176/detecting-all-emojis
+    ''' https://stackoverflow.com/questions/28023682/how-do-i-remove-emoji-characters-from-a-string
     ''' </summary>
     ''' <returns></returns>
     Public Shared Function RemoveInvalidCharacters(pString As String) As String