Fix boolean value in code-sample

Author: alallema

.code-samples.meilisearch.yaml

@@ -284,7 +284,7 @@ search_parameter_guide_highlight_tag_1: |-
   })
 search_parameter_guide_show_matches_position_1: |-
   client.index('movies').search('winter feast', {
-    'showMatchesPosition': 'true'
+    'showMatchesPosition': True
   })
 settings_guide_synonyms_1: |-
   client.index('tops').update_settings({