Merge #673

673: Fix similar docs code sample r=brunoocasali a=norkunas

# Pull Request

## Related issue
Fixes #672

## What does this PR do?
- ...

## PR checklist
Please check if your PR fulfills the following requirements:
- [x] Does this PR fix an existing issue, or have you listed the changes applied in the PR description (and why they are needed)?
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Co-authored-by: Tomas Norkūnas <[email protected]>

Author: meili-bors[bot]

.code-samples.meilisearch.yaml

@@ -743,7 +743,7 @@ search_parameter_guide_matching_strategy_3: |-
   $client->index('movies')->search('white shirt', ['matchingStrategy' => 'frequency']);
 get_similar_post_1: |-
   $similarQuery = new SimilarDocumentsQuery('TARGET_DOCUMENT_ID');
-  $client->index('INDEX_NAME')->getSimilar($similarQuery);
+  $client->index('INDEX_NAME')->searchSimilarDocuments($similarQuery);
 multi_search_federated_1: |-
   $client->multiSearch([
       (new SearchQuery())