Fix errors in README.md

and additionally inclues Thai and Mongolian. -> and additionally includes Thai and Mongolian.

FIX google-research#13

Author: nishans08

README.md

@@ -128,7 +128,7 @@ Mongolian \*\*\*\*\***
 
 We uploaded a new multilingual model which does *not* perform any normalization
 on the input (no lower casing, accent stripping, or Unicode normalization), and
-additionally inclues Thai and Mongolian.
+additionally includes Thai and Mongolian.
 
 **It is recommended to use this version for developing multilingual models,
 especially on languages with non-Latin alphabets.**