diff --git a/doc/KEYS.html b/doc/KEYS.html
index 3af73fd..c41c331 100644
--- a/doc/KEYS.html
+++ b/doc/KEYS.html
@@ -38,6 +38,8 @@ These keys are in effect when the pattern or phrase editor grid is focused.
 <tr><td>C</td><td>crop to range</td></tr>
 <tr><td>Delete</td><td>delete selected</td></tr>
 <tr><td>Shift-Delete</td><td>clear grid</td></tr>
+<tr><td>Control-Delete</td><td>delete time in range</td></tr>
+<tr><td>Control-Insert</td><td>insert time</td></tr>
 <tr><td>Arrow keys</td><td>move viewport</td></tr>
 <tr><td>Ctrl-Left</td><td>move to previous note</td></tr>
 <tr><td>Ctrl-Right</td><td>move to next note</td></tr>
diff --git a/doc/OVERVIEW.html b/doc/OVERVIEW.html
index 4f6d7aa..b1dac0f 100644
--- a/doc/OVERVIEW.html
+++ b/doc/OVERVIEW.html
@@ -45,13 +45,17 @@ There are no pre-compiled binaries available.
 <p>
 The following libraries are required to build Non.
 </p>
-<ul><li><span>FLTK 1.1.x</span>
+<ul><li><span>FLTK >= 1.1.7 (with `fluid`)</span>
 <li><span>JACK >= 0.103.0</span>
 <li><span>sigc++ 2.0</span>
 </ul><p>
 The following are optional:
 </p>
 <ul><li><span>LASH >= 0.5.4</span>
+</ul><h1 id="u:5.">Community</h1>
+<p>
+Feel free to drop by the <tt>#non</tt> channel on irc.freenode.net.
+</p>
 </div>
 </body>
 </html>
diff --git a/doc/OVERVIEW.mu b/doc/OVERVIEW.mu
index 7765760..0767e39 100644
--- a/doc/OVERVIEW.mu
+++ b/doc/OVERVIEW.mu
@@ -40,10 +40,15 @@
 
   The following libraries are required to build Non.
 
-* FLTK 1.1.x
+
+* FLTK >= 1.1.7 (with `fluid`)
 * JACK >= 0.103.0
 * sigc++ 2.0
 
   The following are optional:
 
 * LASH >= 0.5.4
+
+; Community
+
+  Feel free to drop by the `#non` channel on irc.freenode.net.