diff --git a/nselib/bin.lua b/nselib/bin.lua
index b72b72885..c6e1d5dfd 100644
--- a/nselib/bin.lua
+++ b/nselib/bin.lua
@@ -38,6 +38,9 @@
 --
 -- Note that the endian operators work as modifiers to all the
 -- characters following them in the format string.
+--
+-- @class module
+-- @name bin
 
 local debug2 = require "stdnse".debug2
 
diff --git a/nselib/bit.lua b/nselib/bit.lua
index 3f8005cbb..9085e54c5 100644
--- a/nselib/bit.lua
+++ b/nselib/bit.lua
@@ -5,6 +5,8 @@
 --
 -- @copyright BSD License
 -- @see https://www.lua.org/manual/5.3/manual.html#3.4.2
+-- @class module
+-- @name bit
 
 local select = select
 
diff --git a/nselib/bits.lua b/nselib/bits.lua
index a263a14e4..7308c6725 100644
--- a/nselib/bits.lua
+++ b/nselib/bits.lua
@@ -4,6 +4,9 @@
 -- @author Patrick Donnelly <batrick@batbytes.com>
 -- @copyright Same as Nmap -- see https://nmap.org/book/man-legal.html
 -- @see https://www.lua.org/manual/5.3/manual.html#3.4.2
+--
+-- @class module
+-- @name bits
 
 local assert = assert
 local error = error