docs: update rule-based-matching.mdx (#13665) [ci skip]

website/docs/usage/rule-based-matching.mdx

@@ -720,7 +720,7 @@ matches = matcher(doc)
 
 # Serve visualization of sentences containing match with displaCy
 # set manual=True to make displaCy render straight from a dictionary
-# (if you're not running the code within a Jupyer environment, you can
+# (if you're not running the code within a Jupyter environment, you can
 # use displacy.serve instead)
 displacy.render(matched_sents, style="ent", manual=True)
 ```