diff --git a/doc/manager/nxscript.htm b/doc/manager/nxscript.htm
index 6a0492c5..803d6fe0 100644
--- a/doc/manager/nxscript.htm
+++ b/doc/manager/nxscript.htm
@@ -143,6 +143,12 @@ attribute.
 <dt>nxscript makelink targetAlias victimAlias
 <dd>This creates a symbolic link for victimAlias in the group
 designated by targetAlias. 
+<dt>nxscript putslab alias startlist sizelist obj
+<dd>Writes a slab of data. alias is the alis to write too. startslist is 
+ a Tcl list containing the start indexes, sizelist is the size of the slab 
+ to write as a Tcl list and obj is the SICS object to write. Obj can be a 
+ histogram memory; then the histogram memory data is written. Or it can be 
+ a sicsdata object, the value of which will then be written. 
 </dl>
 </p>
 <H1>Automatic Updating of NeXus Files</H1>