docs(README): automatic update

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Author: algoliareadmebot

README.md

@@ -1018,7 +1018,7 @@ If you have defined in your **[attributesForFaceting](#attributesforfaceting)**:
 
 But for the current search want to retrieve only facet values for `category` and `author`.
 
-you can specify your attributes coma separated.
+You can specify your attributes coma separated.
 
 For this example:  `"category,author"`.