Fix README formatting

jhh · jhh · commit d6a21481f694 · 2023-02-22T17:44:10.000-05:00
diff --git a/README.md b/README.md
@@ -240,7 +240,7 @@ j = r.json()
 meta = pd.DataFrame(j["meta"])
 data = pd.DataFrame(j["data"])
 df = pd.merge(meta, data, on="case", suffixes=('_set', '_measured'))
-df. head(3)
+df.head(3)
 ```
 
 <div>
