docs: clarify that the certificate must be in PEM format (argoproj#5946)

Signed-off-by: Dax McDonald <31839142+daxmc99@users.noreply.github.com>
shubhamagarwal19 · Apr 15, 2021 · e10957b · e10957b
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commit e10957b
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diff --git a/docs/operator-manual/user-management/google.md b/docs/operator-manual/user-management/google.md
@@ -34,6 +34,7 @@ data:
     - Base64 encode the contents of the certificate file, for example:
     - `$ cat ArgoCD.cer | base64`
     - *Keep a copy of the encoded output to be used in the next section.*
+    - *Ensure that the certificate is in PEM format before base64 encoding*
 
     ![Google Admin IdP Metadata](../../assets/google-admin-idp-metadata.png "A screenshot of the Google IdP metadata")