diff --git a/doc/spec/rac-related-work.md b/doc/spec/rac-related-work.md
index c1bfee5..719c229 100644
--- a/doc/spec/rac-related-work.md
+++ b/doc/spec/rac-related-work.md
@@ -190,5 +190,5 @@
 
 Robert and Nadarajan's ["New Algorithms For Random Access Text
 Compression"](https://www.researchgate.net/publication/4231766_New_Algorithms_For_Random_Access_Text_Compression)
-cannot compress aribrary data, only 7-bit ASCII. The largest document they
+cannot compress arbitrary data, only 7-bit ASCII. The largest document they
 consider is also only 17 KiB in size.