chore: fix typo in the helm install docs (#7495)

fix typo in install docs

Signed-off-by: Huabing Zhao <[email protected]>

Author: zhaohuabing

site/content/en/latest/install/install-helm.md

@@ -96,7 +96,7 @@ helm install eg oci://docker.io/envoyproxy/gateway-helm \
 
 [Helm](https://helm.sh/docs/chart_best_practices/custom_resource_definitions/#some-caveats-and-explanations) does not update CRDs
 that live in the `/crds` folder in the Helm Chart. So you will manually need to update the CRDs.
-Follow the steps outlined in [this](./install-yaml/#upgrading-from-a-previous-version) section if you're upgrading from a previous version.
+Follow the steps outlined in [this](./install-yaml/#upgrading-from-the-previous-version) section if you're upgrading from a previous version.
 
 ## Helm chart customizations
 

site/content/en/v1.6/install/install-helm.md

@@ -96,7 +96,7 @@ helm install eg oci://docker.io/envoyproxy/gateway-helm \
 
 [Helm](https://helm.sh/docs/chart_best_practices/custom_resource_definitions/#some-caveats-and-explanations) does not update CRDs
 that live in the `/crds` folder in the Helm Chart. So you will manually need to update the CRDs.
-Follow the steps outlined in [this](./install-yaml/#upgrading-from-a-previous-version) section if you're upgrading from a previous version.
+Follow the steps outlined in [this](./install-yaml/#upgrading-from-the-previous-version) section if you're upgrading from a previous version.
 
 ## Helm chart customizations