diff --git a/website/docs/usage/rule-based-matching.mdx b/website/docs/usage/rule-based-matching.mdx
index 39be5f47b..4f54415cb 100644
--- a/website/docs/usage/rule-based-matching.mdx
+++ b/website/docs/usage/rule-based-matching.mdx
@@ -311,7 +311,7 @@ import re
 nlp = spacy.load("en_core_web_sm")
 doc = nlp("The United States of America (USA) are commonly known as the United States (U.S. or US) or America.")
 
-expression = r"[Uu](nited|\\.?) ?[Ss](tates|\\.?)"
+expression = r"[Uu](nited|\.?) ?[Ss](tates|\.?)"
 for match in re.finditer(expression, doc.text):
     start, end = match.span()
     span = doc.char_span(start, end)