Fix build.sh 404 error (opensearch-project#1802)

Signed-off-by: pgodithi <pgodithi@amazon.com>

ONBOARDING.md

@@ -30,7 +30,7 @@ Add the new plugin to the [opensearch-plugins meta](https://github.com/opensearc
 
 1. Update a [manifest](/manifests) for a particular release to include your plugin.  For example to be included in the 1.1.0 release, you would update [opensearch-1.1.0.yml](/manifests/1.1.0/opensearch-1.1.0.yml). We require your plugin name, repository url, and git ref that should be used. For unreleased versions this should be a branch in your repository.  Once a release is cut, these refs will be updated to build from a tag or specific commit hash.
 
-2. Create a `scripts/build.sh` if you have specific requirements that are not covered by the [default build.sh script](/scripts/default/build.sh) and commit it to your repository.
+2. Create a `scripts/build.sh` if you have specific requirements that are not covered by the [default build.sh script](/scripts/default/opensearch/build.sh) and commit it to your repository.
 
 3. Ensure your `build.sh` reads and passes along both `-Dbuild.snapshot=` and `-Dopensearch.version=` flags.  Snapshot builds should produce a -SNAPSHOT tagged artifact for example `opensearch-plugin-1.1.0.0-SNAPSHOT.zip` where a release build of the same component would produce `opensearch-plugin-1.1.0.0.zip`.
 

src/build_workflow/README.md

@@ -76,7 +76,7 @@ The following options are available in `build.sh`.
 
 ### Custom Build Scripts
 
-Each component build relies on a `build.sh` script that is used to prepare bundle artifacts for a particular bundle version that takes two arguments: version and target architecture. By default the tool will look for a script in [scripts/components](../../scripts/components), then in the checked-out repository in `build/build.sh`, then default to a Gradle build implemented in [scripts/default/build.sh](../../scripts/default/build.sh).
+Each component build relies on a `build.sh` script that is used to prepare bundle artifacts for a particular bundle version that takes two arguments: version and target architecture. By default the tool will look for a script in [scripts/components](../../scripts/components), then in the checked-out repository in `build/build.sh`, then default to a Gradle build implemented in [scripts/default/opensearch/build.sh](../../scripts/default/opensearch/build.sh).
 
 ### Avoiding Rebuilds