update toc

Author: FreekPols

book/_toc.yml

@@ -4,12 +4,12 @@ root: Overzicht.md
 chapters:
 - file: project/Intro.ipynb
 - external: https://github.com/Contemporary-Physicslab/FYPLC/blob/main/book/Software.md
-- external: https://github.com/Contemporary-Physicslab/FYPLC/blob/main/book/Course%20files/Notebook%201/Notebook%201%20Python%20Basics.ipynb
-- external: https://github.com/Contemporary-Physicslab/FYPLC/blob/main/book/Course%20files/Notebook%202/Notebook%202%20Functions.ipynb
-- external: https://github.com/Contemporary-Physicslab/FYPLC/blob/main/book/Course%20files/Notebook%203/Notebook%203%20Program%20Flow%20Control.ipynb
-- external: https://github.com/Contemporary-Physicslab/FYPLC/blob/main/book/Course%20files/Notebook%204/Notebook%204%20Scientific%20Computing.ipynb
-- external: https://github.com/Contemporary-Physicslab/FYPLC/blob/main/book/Course%20files/Notebook%205/Notebook%205%20Data%20in%20Python.ipynb
-- external: https://github.com/Contemporary-Physicslab/FYPLC/blob/main/book/Course%20files/Notebook%206/Notebook%206%20Measurement%20uncertainty.ipynb
+- external: https://github.com/Contemporary-Physicslab/FYPLC/blob/main/book/Course files/Notebook 1/Notebook 1 Python Basics.ipynb
+- external: https://github.com/Contemporary-Physicslab/FYPLC/blob/main/book/Course files/Notebook 2/Notebook 2 Functions.ipynb
+- external: https://github.com/Contemporary-Physicslab/FYPLC/blob/main/book/Course files/Notebook 3/Notebook 3 Program Flow Control.ipynb
+- external: https://github.com/Contemporary-Physicslab/FYPLC/blob/main/book/Course files/Notebook 4/Notebook 4 Scientific Computing.ipynb
+- external: https://github.com/Contemporary-Physicslab/FYPLC/blob/main/book/Course files/Notebook 5/Notebook 5 Data in Python.ipynb
+- external: https://github.com/Contemporary-Physicslab/FYPLC/blob/main/book/Course files/Notebook 6/Notebook 6 Measurement uncertainty.ipynb
 
 - file: project/Deeltjes.ipynb
 - file: project/Classes.ipynb