Updated Go-based Operators documentation

corrections

Author: sheriff-rh

modules/building-memcached-operator-using-osdk.adoc

@@ -107,7 +107,7 @@ OpenAPI validation section in the CRD's
 `deploy/crds/cache.example.com_memcacheds_crd.yaml` file:
 +
 ----
-$ operator-sdk generate openapi
+$ operator-sdk generate crds
 ----
 +
 .Example generated YAML

modules/osdk-cli-reference-generate.adoc

@@ -8,6 +8,33 @@
 The `operator-sdk generate` command invokes a specific generator to generate
 code as needed.
 
+[id="osdk-cli-reference-generate-crds_{context}"]
+== crds
+
+The `generate crds` subcommand generates CRDs or updates them if they exist, under
+`deploy/crds/__crd.yaml`. OpenAPI V3 validation YAML is generated as a
+`validation` object.
+
+.`generate crds` flags
+[options="header",cols="1,3"]
+|===
+|Flag |Description
+
+|`--crd-version` (string)
+|CRD version to generate (default `v1beta1`)
+
+|`-h`, `--help`
+|Help for `generate crds`
+|===
+
+.Example output
+----
+$ operator-sdk generate crds
+$ tree deploy/crds
+├── deploy/crds/app.example.com_v1alpha1_appservice_cr.yaml
+└── deploy/crds/app.example.com_appservices_crd.yaml
+----
+
 [id="osdk-cli-reference-generate-csv_{context}"]
 == csv