diff --git a/Source code/README - Dev.md b/Source code/README - Dev.md
index 0d9b1be..7b20571 100644
--- a/Source code/README - Dev.md	
+++ b/Source code/README - Dev.md	
@@ -5,9 +5,9 @@ Information about the software development, its architecture, quality control an
 
 For additional information about underlying procedures and calculations, see the MUFOS Help Guide and Documentation document.
 
-Note: when packaging for MacOs, there is a known issue with tkinter (see [here] (https://github.com/pyinstaller/pyinstaller/issues/3820) ).
-The solution used is copying the [msgcat-1.6.1.tm] (msgcat-1.6.1.tm) into one of the tk folders - see [here] (https://github.com/pyinstaller/pyinstaller/issues/3820#issuecomment-515673901).
+Note: when packaging for MacOs, there is a known issue with tkinter (see [here](https://github.com/pyinstaller/pyinstaller/issues/3820) ).
+The solution used is copying the [msgcat-1.6.1.tm](https://github.com/nikbpetrov/mufos/blob/master/Source%20code/msgcat-1.6.1.tm) into one of the tk folders - see [here](https://github.com/pyinstaller/pyinstaller/issues/3820#issuecomment-515673901).
 
 In case of any problems, questions or feedback, please contact the leading developer at [nikbpetrov@gmail.com](mailto:nikbpetrov@gmail.com).
 
-Copyright (C) 2020  Nikolay Petrov, Vasil Atanasov, & Trevor Thompson
\ No newline at end of file
+Copyright (C) 2020  Nikolay Petrov, Vasil Atanasov, & Trevor Thompson