DOC Fix the ratio in the protein_home dataset (#555)

Author: chkoar

imblearn/datasets/_zenodo.py

@@ -189,7 +189,7 @@ def fetch_datasets(data_home=None,
     +--+--------------+-------------------------------+-------+---------+-----+
     |25|mammography   | UCI, target: minority         | 42:1  | 11,183  | 6   |
     +--+--------------+-------------------------------+-------+---------+-----+
-    |26|protein_homo  | KDD CUP 2004, minority        | 11:1  | 145,751 | 74  |
+    |26|protein_homo  | KDD CUP 2004, minority        | 111:1 | 145,751 | 74  |
     +--+--------------+-------------------------------+-------+---------+-----+
     |27|abalone_19    | UCI, target: 19               | 130:1 | 4,177   | 10  |
     +--+--------------+-------------------------------+-------+---------+-----+