diff --git a/README.md b/README.md
index 2a212d7..cdcf182 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Source code for creating the LDMX logo with [Typst](https://typst.app/docs/).
 ## Set Up
 
 #### Install `just`
-`just` is used to share common recipes similar to how we use it for ldmx-sw development.
+`just` is used to share common recipes similar to how we use it [for ldmx-sw development](https://ldmx-software.github.io/developing/getting-started.html#install-just).
 
 #### Install `typst`
 There are a bunch of ways to do this, so I'm just going to refer you to
@@ -46,11 +46,3 @@ The output is written into a file of the same name but with a different extensio
 Specifically, I am using the Typst package [fletcher](https://typst.app/universe/package/fletcher/)
 to create this logo as a "diagram". flecter uses [CeTZ](https://typst.app/universe/package/cetz/)
 under-the-hood so that might be helpful for more fine-tuning as well.
-
-## To Do
-- [x] mimic original logo
-- [x] control over colors of the different pieces (text, particles, background)
-- [x] add prefix and suffix text
-- [x] square page and center logo (e.g. for profile pictures)
-- [x] different color DM from L and X (`dm-text-color` argument)
-- [x] end electron on D (like in original?)
diff --git a/logo.typ b/logo.typ
index f061614..958657d 100644
--- a/logo.typ
+++ b/logo.typ
@@ -16,6 +16,7 @@
 /// dm-text-color: type color, default to text-color, color of the letters D and M in LDMX in logo
 /// prefix: extra text to include in front of LDMX
 /// suffix: extra text to be included after LDMX
+/// un: for adding "un" in LunDMX above horizontal bar of the L
 /// page-args: how to construct the page around the logo, default is no page
 ///  none or auto makes the page the same size and shape as the logo
 ///  "square" makes the page a square with the side length determined by the width of the logo
@@ -37,6 +38,7 @@
   dm-text-color: auto,
   prefix: none,
   suffix: none,
+  un: none,
   page-args: auto
 ) = context {
 
@@ -97,6 +99,18 @@
       name: <L>,
       layer: 1
     ),
+    node(
+      (1.07,0.4),
+      if type( un ) == content or un == none {
+        // Assume user knows what they are doing 
+        un
+      } else {
+        text(size: 12pt, weight: "light", un )
+      },
+      shape: rect,
+      name: <un>,
+      layer: 1
+    ),
     node(
       (0,0),
       if prefix == none [] else if type(prefix) == str {
diff --git a/test.typ b/test.typ
index 2b4aaa1..cc56f71 100644
--- a/test.typ
+++ b/test.typ
@@ -1,5 +1,5 @@
 #for (i, variation) in (
-  "bw", "bw-square", "mini-bw", "blue-on-white", "light-blue", "ldmx-sw",
+  "lundmx-bw",  "bw", "bw-square", "mini-bw", "blue-on-white", "light-blue", "ldmx-sw",
   "white-on-transparent", "umn", "ucsb", "stanford", "eg-all"
 ).enumerate() {
   if i > 0 { pagebreak() }
diff --git a/variations/lundmx-bw.typ b/variations/lundmx-bw.typ
new file mode 100644
index 0000000..cd0c31c
--- /dev/null
+++ b/variations/lundmx-bw.typ
@@ -0,0 +1,2 @@
+#import "/logo.typ": logo
+#logo(un: "un")