diff --git a/DESCRIPTION b/DESCRIPTION
index 6af592ae..9b36af55 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: migraph
 Title: Multimodal and Multilevel Network Analysis
 Version: 0.6.6
-Date: 2021-05-12
+Date: 2021-05-13
 Description: A set of tools that extend common social network analysis packages
    for analysing multimodal and multilevel networks.
    It includes functions for one- and two-mode (and sometimes three-mode) 
diff --git a/NEWS.md b/NEWS.md
index ae3ca4e3..8c915fde 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,11 @@
 # migraph 0.6.6
 
+## Classes
+
+* Fixed bug in `as_matrix()` with frame matrix by dropping (rarely necessary) functionality
+  * Improved handling of weights column in three-column edgelists
+  * Improved documentation of `as_` functions
+
 ## Plotting
 
 * Fixed bugs in `plot_releases()` with more graceful handling of http errors