Add :nbstart and :nbclose.
diff --git a/runtime/doc/index.txt b/runtime/doc/index.txt
index d8a789a..07c5768 100644
--- a/runtime/doc/index.txt
+++ b/runtime/doc/index.txt
@@ -1321,7 +1321,9 @@
|:mode| :mod[e] show or change the screen mode
|:mzscheme| :mz[scheme] execute MzScheme command
|:mzfile| :mzf[ile] execute MzScheme script file
+|:nbclose| :nbc[lose] close the current Netbeans session
|:nbkey| :nb[key] pass a key to Netbeans
+|:nbstart| :nbs[art] start a new Netbeans session
|:next| :n[ext] go to next file in the argument list
|:new| :new create a new empty window
|:nmap| :nm[ap] like ":map" but for Normal mode