diff --git a/man/new_property.Rd b/man/new_property.Rd
index 31063f8e..b93d620f 100644
--- a/man/new_property.Rd
+++ b/man/new_property.Rd
@@ -46,7 +46,7 @@ function promise in the default constructor, evaluated at the time the
 object is constructed.}
 
 \item{name}{Property name, primarily used for error messages. Generally
-don't need to set this here, as it's more convenient to supply as a
+don't need to set this here, as it's more convenient to supply as
 the element name when defining a list of properties. If both \code{name}
 and a list-name are supplied, the list-name will be used.}
 }