diff --git a/docs/reference-material/README.md b/docs/reference-material/README.md
index c12618f..29ac5c4 100644
--- a/docs/reference-material/README.md
+++ b/docs/reference-material/README.md
@@ -6,7 +6,7 @@ External documentation, guides, and reference materials.
 
 ### [boxstadium/](boxstadium/)
 
-Documentation for Box Stadium :
+Documentation for Box Stadium:
 
 - **box-stadium-english.md** - English documentation
 - **box-stadium-spanish.md** - Spanish documentation