Merge pull request #24669 from dvdksn/dvdksn/fix-provenance-grammar

Fix grammar error in provenance min mode description

Author: dvdksn

content/manuals/build/metadata/attestations/slsa-provenance.md

@@ -59,8 +59,8 @@ such as:
 - Build platform
 - Reproducibility
 
-Values of build arguments, the identities of secrets, and rich layer metadata is
-not included `mode=min`. The `min`-level provenance is safe to use for all
+Values of build arguments, the identities of secrets, and rich layer metadata are
+not included in `mode=min`. The `min`-level provenance is safe to use for all
 builds, as it doesn't leak information from any part of the build environment.
 
 The following JSON example shows the information included in a provenance