diff --git a/Documentation/Setup/Config/Index.rst b/Documentation/Setup/Config/Index.rst
index 79428e5d..5caf411d 100644
--- a/Documentation/Setup/Config/Index.rst
+++ b/Documentation/Setup/Config/Index.rst
@@ -1926,7 +1926,7 @@ spamProtectEmailAddresses
          spamProtectEmailAddresses
 
    Data type
-         "-10 to 10
+         `-10` to `10`
 
    Description
          If set, then all email addresses in typolinks will be encrypted so