Typo

Doc/lib/libfuture.tex

@@ -64,6 +64,6 @@ Instances of class \class{_Feature} have two corresponding methods,
 \var{CompilerFlag} is the (bitfield) flag that should be passed in the
 fourth argument to the builtin function \function{compile()} to enable
 the feature in dynamically compiled code.  This flag is stored in the
-\member{compiler_flag} attribute on \class{_Future} instances.
+\member{compiler_flag} attribute on \class{_Feature} instances.
 
 No feature description will ever be deleted from \module{__future__}.