docs: Fix incorrect wording in ApplicationSet git generator docs

[risset]

apiVersion: argoproj.io/v1alpha1
kind: ApplicationSet
metadata:
  name: guestbook
  namespace: argocd
spec:
  goTemplate: true
  goTemplateOptions: ["missingkey=error"]
  generators:
  - git:
      repoURL: https://github.com/argoproj/argo-cd.git
      revision: HEAD
      files:
      - path: "applicationset/examples/git-generator-files-discovery/cluster-config/**/config.json"
  template:
    metadata:
      name: '{{.cluster.name}}-guestbook'
    spec:
      project: default
      source:
        repoURL: https://github.com/argoproj/argo-cd.git
        targetRevision: HEAD
        path: "applicationset/examples/git-generator-files-discovery/apps/guestbook"
      destination:
        server: '{{.cluster.address}}'
        namespace: guestbook

^ the YAML snippet the sentence is referring to

[ishitasequeira]

thanks for the fix @risset. LGTM!
Can you fix the DCO?

[risset]

thanks for the fix @risset. LGTM! Can you fix the DCO?

Sure

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.06% 🎉

Comparison is base (0de579d) 49.90% compared to head (b6e36c4) 49.97%.
Report is 20 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #15374      +/-   ##
==========================================
+ Coverage   49.90%   49.97%   +0.06%     
==========================================
  Files         263      263              
  Lines       45188    45249      +61     
==========================================
+ Hits        22553    22613      +60     
- Misses      20419    20420       +1     
  Partials     2216     2216              

see 14 files with indirect coverage changes

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