Fix a few markup/grammar nits
diff --git a/Doc/library/abc.rst b/Doc/library/abc.rst
index 1048b24..dcec19a 100644
--- a/Doc/library/abc.rst
+++ b/Doc/library/abc.rst
@@ -126,7 +126,7 @@
It also provides the following decorators:
-.. decorator:: abstractmethod(function)
+.. decorator:: abstractmethod
A decorator indicating abstract methods.
@@ -161,7 +161,7 @@
multiple-inheritance.
-.. decorator:: abstractclassmethod(function)
+.. decorator:: abstractclassmethod
A subclass of the built-in :func:`classmethod`, indicating an abstract
classmethod. Otherwise it is similar to :func:`abstractmethod`.
@@ -176,7 +176,7 @@
.. versionadded:: 3.2
-.. decorator:: abstractstaticmethod(function)
+.. decorator:: abstractstaticmethod
A subclass of the built-in :func:`staticmethod`, indicating an abstract
staticmethod. Otherwise it is similar to :func:`abstractmethod`.