diff --git a/docs/conf.py b/docs/conf.py
index d64c704..b5d791e 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -87,7 +87,7 @@
         "color-problematic": "#BF5844",
         "color-background-secondary": "#F8F8F8",
         "color-admonition-title--note": "#008080",
-        "color-admonition-title-background---note": "#00808033",
+        "color-admonition-title-background--note": "#00808033",
     },
     "dark_css_variables": {
         "color-brand-primary": "#6FD8D1",
@@ -95,7 +95,7 @@
         "color-problematic": "#FA9F50",
         "color-background-secondary": "#202020",
         "color-admonition-title--note": "#6FD8D1",
-        "color-admonition-title-background---note": "#6FD8D133",
+        "color-admonition-title-background--note": "#6FD8D133",
     },
 }
 # get versions