diff --git a/docs/usage.rst b/docs/usage.rst
index e4e8957..6e0a298 100644
--- a/docs/usage.rst
+++ b/docs/usage.rst
@@ -518,7 +518,7 @@ strip_release
   Strip the release part, only return part before ``-``.
 
 provided
-  Instead of the package version, return the version this package provides. Its value is what the package provides, and ``strip-release`` takes effect too. This is best used with libraries.
+  Instead of the package version, return the version this package provides. Its value is what the package provides, and ``strip_release`` takes effect too. This is best used with libraries.
 
 Check Debian Linux official packages
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