update API descriptions

etc/api/websecurityscanner/v1alpha/websecurityscanner-api.json

@@ -14,7 +14,7 @@
     "canonicalName": "WebSecurityScanner", 
     "description": "Scans your Compute and App Engine apps for common web vulnerabilities.", 
     "discoveryVersion": "v1", 
-    "documentationLink": "https://cloud.google.com/security-scanner/", 
+    "documentationLink": "https://cloud.google.com/security-command-center/docs/concepts-web-security-scanner-overview/", 
     "fullyEncodeReservedExpansion": true, 
     "icons": {
         "x16": "http://www.google.com/images/icons/product/search-16.gif", 
@@ -526,7 +526,7 @@
             }
         }
     }, 
-    "revision": "20200329", 
+    "revision": "20200704", 
     "rootUrl": "https://websecurityscanner.googleapis.com/", 
     "schemas": {
         "Authentication": {
@@ -874,7 +874,7 @@
                     "description": "The authentication configuration. If specified, service will use the\nauthentication configuration during scanning."
                 }, 
                 "blacklistPatterns": {
-                    "description": "The blacklist URL patterns as described in\nhttps://cloud.google.com/security-scanner/docs/excluded-urls", 
+                    "description": "The excluded URL patterns as described in\nhttps://cloud.google.com/security-command-center/docs/how-to-use-web-security-scanner#excluding_urls", 
                     "items": {
                         "type": "string"
                     }, 
@@ -909,7 +909,7 @@
                     "type": "array"
                 }, 
                 "targetPlatforms": {
-                    "description": "Set of Cloud Platforms targeted by the scan. If empty, APP_ENGINE will be\nused as a default.", 
+                    "description": "Set of Google Cloud platforms targeted by the scan. If empty, APP_ENGINE\nwill be used as a default.", 
                     "enumDescriptions": [
                         "The target platform is unknown. Requests with this enum value will be\nrejected with INVALID_ARGUMENT error.", 
                         "Google App Engine service.",