docs: clarify what peerDependenciesMeta does (#7433)

Co-authored-by: Gar <wraithgar@github.com>

docs/lib/content/configuring-npm/package-json.md

@@ -818,11 +818,12 @@ to express this. If you depend on features introduced in 1.5.2, use
 
 ### peerDependenciesMeta
 
-When a user installs your package, npm will emit warnings if packages
-specified in `peerDependencies` are not already installed. The
-`peerDependenciesMeta` field serves to provide npm more information on how
+The `peerDependenciesMeta` field serves to provide npm more information on how
 your peer dependencies are to be used. Specifically, it allows peer
-dependencies to be marked as optional.
+dependencies to be marked as optional. Npm will not automatically install
+optional peer dependencies. This allows you to
+integrate and interact with a variety of host packages without requiring
+all of them to be installed.
 
 For example:
 
@@ -842,11 +843,6 @@ For example:
 }
 ```
 
-Marking a peer dependency as optional ensures npm will not emit a warning
-if the `soy-milk` package is not installed on the host. This allows you to
-integrate and interact with a variety of host packages without requiring
-all of them to be installed.
-
 ### bundleDependencies
 
 This defines an array of package names that will be bundled when publishing