Fix missing period.
diff --git a/Doc/distutils/apiref.rst b/Doc/distutils/apiref.rst
index f34a8ea..480feab 100644
--- a/Doc/distutils/apiref.rst
+++ b/Doc/distutils/apiref.rst
@@ -729,7 +729,7 @@
 
    .. method:: CCompiler.execute(func, args[, msg=None, level=1])
 
-      Invokes :func:`distutils.util.execute` This method invokes a  Python function
+      Invokes :func:`distutils.util.execute`. This method invokes a  Python function
       *func* with the given arguments *args*, after  logging and taking into account
       the *dry_run* flag.