Modify the doc for google_compute_resource_policy (#8339) (#15199)

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/8339.txt

@@ -0,0 +1,3 @@
+```release-note:none
+docs: modify the doc for the field `daily_schedule. days_in_schedule` in the resource `google_compute_resource_policy `
+```

google/services/compute/resource_compute_resource_policy.go

@@ -222,7 +222,7 @@ from the tz database: http://en.wikipedia.org/wiki/Tz_database.`,
 													Type:        schema.TypeInt,
 													Required:    true,
 													ForceNew:    true,
-													Description: `The number of days between snapshots.`,
+													Description: `Defines a schedule with units measured in days. The value determines how many days pass between the start of each cycle. Days in cycle for snapshot schedule policy must be 1.`,
 												},
 												"start_time": {
 													Type:         schema.TypeString,

website/docs/r/compute_resource_policy.html.markdown

@@ -22,6 +22,9 @@ description: |-
 A policy that can be attached to a resource to specify or schedule actions on that resource.
 
 
+To get more information about ResourcePolicy, see:
+
+* [API documentation](https://cloud.google.com/compute/docs/reference/rest/v1/resourcePolicies)
 
 <div class = "oics-button" style="float: right; margin: 0 0 -15px">
   <a href="https://console.cloud.google.com/cloudshell/open?cloudshell_git_repo=https%3A%2F%2Fgithub.jpy.wang%2Fterraform-google-modules%2Fdocs-examples.git&cloudshell_working_dir=resource_policy_basic&cloudshell_image=gcr.io%2Fgraphite-cloud-shell-images%2Fterraform%3Alatest&open_in_editor=main.tf&cloudshell_print=.%2Fmotd&cloudshell_tutorial=.%2Ftutorial.md" target="_blank">
@@ -297,7 +300,7 @@ The following arguments are supported:
 
 * `days_in_cycle` -
   (Required)
-  The number of days between snapshots.
+  Defines a schedule with units measured in days. The value determines how many days pass between the start of each cycle. Days in cycle for snapshot schedule policy must be 1.
 
 * `start_time` -
   (Required)