Tweak doc wording

Author: DKLoehr

clang/include/clang/Basic/DiagnosticGroups.td

@@ -807,8 +807,8 @@ Warns when objects which are supposed to be globally unique might get duplicated
 when built into a shared library.
 
 This can occur to objects which are hidden from the dynamic linker, due to
-having hidden visibility (on posix) or lacking an import/export annotation (on
-windows). If such an object is built into a shared library, each instance
+having hidden visibility (on posix) or lacking a dllimport/dllexport attribute
+(on windows). If such an object is built into a shared library, each instance
 of the library will get its own copy. This can cause very subtle bugs if there was
 only supposed to be one copy of the object in question: singletons aren't single,
 changes to one object won't affect the others, the object's initializer will run
@@ -817,7 +817,7 @@ once per copy, etc.
 Specifically, this warning fires when it detects an object which:
 1. Is defined as ``inline`` in a header file (so it might get compiled into multiple libaries), and
 2. Has external linkage (otherwise it's supposed to be duplicated), and
-3. Has hidden visibility (posix) or lacks an import/export annotation (windows).
+3. Has hidden visibility (posix) or lacks a dllimport/dllexport attribute (windows).
 
 As well as one of the following:
 1. The object is mutable, or