Update README.md

Author: mdouze

README.md

@@ -4,9 +4,9 @@ Faiss is a library for efficient similarity search and clustering of dense vecto
 
 ## NEWS
 
-*NEW: version 1.4.0 (2018-08-30) no more crashes in pure Python code
+*NEW: version 1.4.0 (2018-08-30) no more crashes in pure Python code*
 
-*NEW: version 1.3.0 (2018-07-12) support for binary indexes 
+*NEW: version 1.3.0 (2018-07-12) support for binary indexes*
 
 *NEW: latest commit (2018-02-22) supports on-disk storage of inverted indexes, see demos/demo_ondisk_ivf.py*