NEWS.md in nanoc-4.8.0 vs NEWS.md in nanoc-4.8.1

- old
+ new

@@ -1,9 +1,15 @@
 # Nanoc news
 
+## 4.8.1 (2017-08-06)
+
+Enhancements:
+
+* Various speed improvements
+
 ## 4.8.0 (2017-07-17)
 
-Featured:
+Features:
 
 * Added `asciidoctor` filter (#1199)
 
 ## 4.7.14 (2017-07-16)
 