[ci skip]

  Update README Python

Author: algoliareadmebot

README.md

@@ -961,7 +961,7 @@ You can also use a string array encoding (for example `numericFilters: ["price>1
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-        <p>Filter the query by a set of tags. You can AND tags by separating them with commas. To OR tags, you must add parentheses. For example, <code>tags=tag1,(tag2,tag3)</code> means <em>tag1 AND (tag2 OR tag3)</em>. You can also use a string array encoding. For example, <code>tagFilters: [&quot;tag1&quot;,[&quot;tag2&quot;,&quot;tag3&quot;]]</code> means <em>tag1 AND (tag2 OR tag3)</em>.</p>
+        <p>Filter the query by a set of tags. You can AND tags by separating them with commas. To OR tags, you must add parentheses. For example, <code>tagFilters=tag1,(tag2,tag3)</code> means <em>tag1 AND (tag2 OR tag3)</em>. You can also use a string array encoding. For example, <code>tagFilters: [&quot;tag1&quot;,[&quot;tag2&quot;,&quot;tag3&quot;]]</code> means <em>tag1 AND (tag2 OR tag3)</em>. Negations are supported via the <code>-</code> operator, prefixing the value. For example: <code>tagFilters=tag1,-tag2</code>.</p>
 
 <p>At indexing, tags should be added in the <strong>_tags</strong> attribute of objects. For example <code>{&quot;_tags&quot;:[&quot;tag1&quot;,&quot;tag2&quot;]}</code>.</p>