Recommend using crd-install instead of pre-install (#5139)

* 5138 Recommended using crd-install instead of pre-install

Signed-off-by: Eric Thiebaut-George <ethiebautgeorge@tycoint.com>

* 5138 Updated section title

Signed-off-by: Eric Thiebaut-George <ethiebautgeorge@tycoint.com>

Signed-off-by: Kevin Labesse <kevin@labesse.me>

docs/chart_best_practices/custom_resource_definitions.md

@@ -28,10 +28,10 @@ resources that use that CRD in _another_ chart.
 
 In this method, each chart must be installed separately.
 
-### Method 2: Pre-install Hooks
+### Method 2: Crd-install Hooks
 
-To package the two together, add a `pre-install` hook to the CRD definition so
+To package the two together, add a `crd-install` hook to the CRD definition so
 that it is fully installed before the rest of the chart is executed.
 
-Note that if you create the CRD with a `pre-install` hook, that CRD definition
+Note that if you create the CRD with a `crd-install` hook, that CRD definition
 will not be deleted when `helm delete` is run.