guides/fde: fix link to RSA key verification.

Author: ericonr

src/installation/guides/fde.md

@@ -123,8 +123,8 @@ On a UEFI system, the EFI system partition also needs to be mounted.
 Before we enter the chroot to finish up configuration, we do the actual install.
 
 `xbps-install` might ask you to [verify the RSA
-keys](../../xbps/index.md#verifying-rsa-keys) for the packages you are
-installing.
+keys](../../xbps/troubleshooting/common-issues.md#verifying-rsa-keys) for the
+packages you are installing.
 
 ```
 # xbps-install -Sy -R https://alpha.de.repo.voidlinux.org/current -r /mnt base-system lvm2 cryptsetup grub