docs(user-guide): fix a typo (argoproj#17642)

Signed-off-by: treble-snake <treble.snake@gmail.com>

docs/user-guide/sync-options.md

@@ -1,6 +1,6 @@
 # Sync Options
 
-Argo CD allows users to customize some aspects of how it syncs the desired state in the target cluster. Some Sync Options can defined as annotations in a specific resource. Most of the Sync Options are configured in the Application resource `spec.syncPolicy.syncOptions` attribute. Multiple Sync Options which are configured with the `argocd.argoproj.io/sync-options` annotation can be concatenated with a `,` in the annotation value; white spaces will be trimmed.
+Argo CD allows users to customize some aspects of how it syncs the desired state in the target cluster. Some Sync Options can be defined as annotations in a specific resource. Most of the Sync Options are configured in the Application resource `spec.syncPolicy.syncOptions` attribute. Multiple Sync Options which are configured with the `argocd.argoproj.io/sync-options` annotation can be concatenated with a `,` in the annotation value; white spaces will be trimmed.
 
 Below you can find details about each available Sync Option: