Fixing CI errors 12

Author: Sarra Nebli

janitor/functions/adorn.py

@@ -28,7 +28,7 @@ def tabyl(
     Returns:
         A DataFrame representing the summary table.
 
-    Example:
+    Example :
         >>> data = {
         ...     "Category": ["A", "A", "B", "B", "C", "C", "A", "B", "C", "A"],
         ...     "Subcategory": ["X", "Y", "X", "Y", "X", "Y", "X", "Y", "X", "X"],