docs: fix punctuation (#37612)

pandas-dev · Nov 4, 2020 · 1e69e2c · 1e69e2c
1 parent 83c2e65
commit 1e69e2c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pandas/core/generic.py b/pandas/core/generic.py
@@ -2196,7 +2196,7 @@ def to_json(
             * Series:
 
                 - default is 'index'
-                - allowed values are: {'split','records','index','table'}.
+                - allowed values are: {'split', 'records', 'index', 'table'}.
 
             * DataFrame: