Versions:
-Minecraft Forge: forge-14.23.5.2847
-Industrial Renewal: 1.12.2-0.17.6

What happens:
I'm on a custom modpack, when i open the manual some page are empty
it's not a real Bug, but somes machines are tricky, would love somes documentation
here is a screen :

Therefore, it's the best mod i have ever seen so far.
Congratulation for this job