Update options.mdx

Author: lcian

docs/platforms/rust/common/configuration/options.mdx

@@ -97,7 +97,7 @@ The user agent that should be reported when sending events to Sentry.
 
 <SdkOption name="before_breadcrumb" type='Fn'>
 
-This function is called with a breadcrumb object before the breadcrumb is added to the scope. When `None` is returned from the function, the breadcrumb is dropped. To pass the breadcrumb through, return the breadcrumb itself.
+This function is called with a breadcrumb struct before the breadcrumb is added to the scope. When `None` is returned from the function, the breadcrumb is dropped. To pass the breadcrumb through, return the breadcrumb itself.
 
 </SdkOption>
 
@@ -138,7 +138,7 @@ The default value of `MaxRequestBodySize::Medium` will capture request bodies up
 
 <SdkOption name="before_send" type='Fn'>
 
-This function is called with the event payload, and can return a modified event object, or `None` to skip reporting the event. This can be used, for instance, for manual PII stripping before sending.
+This function is called with the event payload, and can return a modified event struct, or `None` to skip reporting the event. This can be used, for instance, for manual PII stripping before sending.
 
   By the time `before_send` is executed, all scope data has already been applied to the event. Further modification of the scope won't have any effect.