diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -336,7 +336,7 @@ Remark:
 
 ## History
 
-* v2.0, 2017-04-18, Fix [#848][bug #848], crash at HTTP fast buffer grow 2.0.239
+* v2.0, 2017-04-18, Fix [#848][bug #848], crash at HTTP fast buffer grow. 2.0.239
 * v2.0, 2017-04-15, Fix [#844][bug #844], support Haivision encoder. 2.0.238
 * v2.0, 2017-04-15, Merge [#846][bug #846], fix fd leak for FLV stream caster. 2.0.237
 * v2.0, 2017-04-15, Merge [#841][bug #841], avoid the duplicated sps/pps in ts. 2.0.236