Update CHANGELOG for v 4.0.1

chinyeungli · chinyeungli · commit 82460cc13e73 · 2019-10-17T14:56:26.000+08:00
diff --git a/docs/CHANGELOG.rst b/docs/CHANGELOG.rst
@@ -1,8 +1,9 @@
-2019-xx-xx
+2019-10-17
     Release 4.0.1
 
     * Declare to follow SemVer for versioning schema
     * Update REFERENCE.rst and README.rst
+    * Update license-expression library
 
 
 2019-10-09
