image_building: Fix broken link to "Building in Docker" instructions

Signed-off-by: Andre Moreira Magalhaes (andrunko) <andre.magalhaes@collabora.com>

content/guides/image_building.md

@@ -27,7 +27,7 @@ There are two further steps to generating an image:
 Both the process of building OSpacks and images from them is carried out
 using [Debos](https://github.com/go-debos/debos). It is strongly
 recommended to utilise the [appropriate Docker image builder
-container](https://gitlab.apertis.org/infrastructure/apertis-image-recipes#building-in-docke)
+container](https://gitlab.apertis.org/infrastructure/apertis-image-recipes#building-in-docker)
 to perform these steps, though the Apertis SDK image [running in a
 VM]( {{< ref "/guides/virtualbox.md" >}} )
 can be used with reduced reliability.