[bootlin/training-materials] bad468: sysdev: slides: root-filesystem-minimal: fix grammar

[Luca Ceresoli]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: bad4686388114961b255eb5975de8511b9ef0799
      https://github.com/bootlin/training-materials/commit/bad4686388114961b255eb5975de8511b9ef0799
  Author: Luca Ceresoli <luca.ceresoli at bootlin.com>
  Date:   2022-12-07 (Wed, 07 Dec 2022)

  Changed paths:
    M slides/sysdev-root-filesystem-minimal/sysdev-root-filesystem-minimal.tex

  Log Message:
  -----------
  sysdev: slides: root-filesystem-minimal: fix grammar

Signed-off-by: Luca Ceresoli <luca.ceresoli at bootlin.com>