Update README.md

Author: LinuxBeaver

README.md

@@ -63,7 +63,11 @@ Once you get done compiling each operation go to its build direcory and get the
 
 Windows
 C:\Users\USERNAME\AppData\Local\gegl-0.4\plug-ins
- 
+
+or C:\Users\AppData\Local\gegl-0.4\plug-ins
+
+*you may need to create the "plug-ins" folder if it doesn't exist.
+
  Linux 
  /home/(USERNAME)/.local/share/gegl-0.4/plug-ins