docs: Update contact_email doc to not check permission of the email account

PiperOrigin-RevId: 625944337

1 files changed, 8 insertions, 9 deletions

diff --git a/google/api/cloudquotas/v1/resources.proto b/google/api/cloudquotas/v1/resources.proto
index c6e4de310..59441a0dc 100644
--- a/google/api/cloudquotas/v1/resources.proto
+++ b/google/api/cloudquotas/v1/resources.proto
@@ -221,16 +221,15 @@ message QuotaPreference {
   // The reason / justification for this quota preference.
   string justification = 11;
 
-  // Input only. An email address that can be used for quota related
-  // communication between the Google Cloud and the user in case the Google
-  // Cloud needs further information to make a decision on whether the user
-  // preferred quota can be granted.
+  // Input only. An email address that can be used to contact the the user, in
+  // case Google Cloud needs more information to make a decision before
+  // additional quota can be granted.
   //
-  // The email address is optional for decrease quota preferences. In another
-  // word, QuotaConfig.preferred_value is smaller than the
-  // QuotaDetails.reset_value. It is required for increase quota preferences.
-  // The Google account for the email address must have quota update permission
-  // for the project, folder or organization this quota preference is for.
+  // When requesting a quota increase, the email address is required.
+  // When requesting a quota decrease, the email address is optional.
+  // For example, the email address is optional when the
+  // `QuotaConfig.preferred_value` is smaller than the
+  // `QuotaDetails.reset_value`.
   string contact_email = 12 [(google.api.field_behavior) = INPUT_ONLY];
 }