diff --git a/doc/spelling_wordlist.txt b/doc/spelling_wordlist.txt
index 730ce274a..13dca1cc6 100644
--- a/doc/spelling_wordlist.txt
+++ b/doc/spelling_wordlist.txt
@@ -96,6 +96,7 @@ renderer
 renderers
 reportlab
 SaaS
+scalability
 screenshot
 scss
 searchable