NEWS.md in nanoc-4.0.0b4 vs NEWS.md in nanoc-4.0.0rc1

@@ -1,6 +1,13 @@
 # nanoc news
 
+## 4.0.0rc1 (2015-06-21)
+
+Fixes:
+
+* Fixed double-wrapping of `@layout` in rendering helper (#631)
+* Fixed `show-rules` command (#633)
+
 ## 4.0.0b4 (2015-06-10)
 
 Fixes:
 
 * Added missing `#ext` method to identifiers (#612)