diff --git a/.codespellrc b/.codespellrc
index edf29869..3cbeff6d 100644
--- a/.codespellrc
+++ b/.codespellrc
@@ -1,3 +1,3 @@
 [codespell]
-ignore-words-list = blong, belong, afterall, SOM
+ignore-words-list = blong, belong, afterall, som
 skip = .git,*.pdf,*.svg,*.lock