diff --git a/python/lsst/daf/butler/dimensions/_coordinate.py b/python/lsst/daf/butler/dimensions/_coordinate.py
index 3a57d0c0ac..6ba18d92f0 100644
--- a/python/lsst/daf/butler/dimensions/_coordinate.py
+++ b/python/lsst/daf/butler/dimensions/_coordinate.py
@@ -135,7 +135,7 @@ class DataCoordinate(NamedKeyMapping[Dimension, DataIdValue]):
 
     Lookups for implied dimensions (those in ``self.dimensions.implied``) are
     supported if and only if `has_full_values` is `True`.  This also sets the
-    keys of the `mapping` attribute.  This means that DataCoordinate equality
+    keys of the `mapping` attribute.  This means that `DataCoordinate` equality
     is not the same as testing for equality on the `mapping` attribute
     (instead, it is the same as testing for equality on the `required`
     attribute).