diff --git a/readme.md b/readme.md
index b7726ed..2ba6163 100644
--- a/readme.md
+++ b/readme.md
@@ -288,7 +288,7 @@ slightly less time than the simulation itself. Real elapsed time from start to f
   * ~~Apache Commons CSV library writes entries a row at a time~~ 
     * _Got this working, but at the cost of a profoundly strange bug in graph occupancy filtering. Have reverted the repo until I can figure out what caused that. Given how easily Thingiverse transposes CSV matrices in R, might not even be worth fixing.
 * ~~Enable GraphML output in addition to serialized object binaries, for data portability~~ DONE
-  * ~~Custom vertex type with attribute for sequence occupancy?~~ABANDONED
+  * ~~Custom vertex type with attribute for sequence occupancy?~~ ABANDONED
     * Have a branch where this is implemented, but there's a bug that broke matching. Don't currently have time to fix.
 * Re-implement command line arguments, to enable scripting and statistical simulation studies
 * Re-implement CDR1 matching method