diff --git a/pyomo/util/config_domains.py b/pyomo/util/config_domains.py
index 73d0c6aba9c..7daf97b794e 100644
--- a/pyomo/util/config_domains.py
+++ b/pyomo/util/config_domains.py
@@ -21,8 +21,7 @@ class ComponentDataSet:
 
     Parameters
     ----------
-        ctype: Either a single component type an iterable of component types to
-            admit in the set
+        ctype: Either a single component type or an iterable of component types
 
     Raises
     ------