diff --git a/docs/Complete_list_of_command_line_parameters.htm b/docs/Complete_list_of_command_line_parameters.htm
index 0a48f470..29dbdf95 100644
--- a/docs/Complete_list_of_command_line_parameters.htm
+++ b/docs/Complete_list_of_command_line_parameters.htm
@@ -124,6 +124,7 @@ td.formatted_questions ol { margin-top: 0px; margin-bottom: 0px; }
 	<ul>
 		<li><strong><code>-bsp</code> ... filename.map:</strong> Switch that enters this stage</li>
 		<li><strong><code>-altsplit</code>:</strong> Alternate BSP tree splitting weights (should give more fps)</li>
+		<li><strong><code>-autocaulk</code>:</strong> Only output special .caulk file for use by radiant</li>
 		<li><strong><code>-celshader</code> shadername:</strong> Sets a global cel shader name</li>
 		<li><strong><code>-clipdepth</code> F:</strong> Model autoclip brushes thickness, default = 2</li>
 		<li><strong><code>-custinfoparms</code>:</strong> Read scripts/custinfoparms.txt</li>
@@ -251,6 +252,8 @@ td.formatted_questions ol { margin-top: 0px; margin-bottom: 0px; }
 		<li><strong><code>-lightanglehl</code> 0:</strong> Disable half lambert light angle attenuation</li>
 		<li><strong><code>-lightanglehl</code> 1:</strong> Enable half lambert light angle attenuation</li>
 		<li><strong><code>-lightmapdir</code> directory:</strong> Directory to store external lightmaps (default: same as map name without extension)</li>
+		<li><strong><code>-lightmapsearchblocksize</code> N:</strong> Restricted lightmap searching - block size</li>
+		<li><strong><code>-lightmapsearchpower</code> N:</strong> Restricted lightmap searching - merge power</li>
 		<li><strong><code>-lightmapsize</code> N:</strong> Size of lightmaps to generate (must be a power of two)</li>
 		<li><strong><code>-lomem</code>:</strong> Low memory but slower lighting mode</li>
 		<li><strong><code>-lowquality</code>:</strong> Low quality floodlight (appears to currently break floodlight)</li>
diff --git a/tools/quake3/q3map2/help.cpp b/tools/quake3/q3map2/help.cpp
index 74bc3598..ca03bfa1 100644
--- a/tools/quake3/q3map2/help.cpp
+++ b/tools/quake3/q3map2/help.cpp
@@ -87,6 +87,7 @@ void HelpBsp()
 	const std::vector<HelpOption> options = {
 		{"-bsp [options] <filename.map>", "Switch that enters this stage"},
 		{"-altsplit", "Alternate BSP tree splitting weights (should give more fps)"},
+		{"-autocaulk", "Only output special .caulk file for use by radiant"},
 		{"-celshader <shadername>", "Sets a global cel shader name"},
 		{"-clipdepth <F>", "Model autoclip brushes thickness, default = 2"},
 		{"-custinfoparms", "Read scripts/custinfoparms.txt"},
@@ -218,6 +219,8 @@ void HelpLight()
 		{"-lightanglehl 0", "Disable half lambert light angle attenuation"},
 		{"-lightanglehl 1", "Enable half lambert light angle attenuation"},
 		{"-lightmapdir <directory>", "Directory to store external lightmaps (default: same as map name without extension)"},
+		{"-lightmapsearchblocksize <N>", "Restricted lightmap searching - block size"},
+		{"-lightmapsearchpower <N>", "Restricted lightmap searching - merge power"},
 		{"-lightmapsize <N>", "Size of lightmaps to generate (must be a power of two)"},
 		{"-lomem", "Low memory but slower lighting mode"},
 		{"-lowquality", "Low quality floodlight (appears to currently break floodlight)"},