diff --git a/mkdocs.yml b/mkdocs.yml
index f4d2f63..f2d3914 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -58,7 +58,7 @@ markdown_extensions:
   - pymdownx.arithmatex:
       generic: true
   - pymdownx.betterem:
-      smart_enable: all
+      smart_enable: '_'
   - pymdownx.caret
   - pymdownx.details
   - pymdownx.emoji: