Fix typo

Signed-off-by: Marcela Melara <marcela.melara@intel.com>

docs/spec/draft/attested-build-env-levels.md

@@ -168,7 +168,7 @@ integrity for build environments at the time of build image distrbution.
 <dt>Requirements<dd>
 
 - Build Image Producer:
- - MUST automatially generate SLSA [Build L2] or higher
+ - MUST automatically generate SLSA [Build L2] or higher
  Provenance for created build images (i.e., VM or container images).
  - MUST allow independent automatic verification of a build image's SLSA
  Provenance. If the build image artifact cannot be published, for example