add some useful words

src/user/announcements.rst

@@ -14,7 +14,7 @@ Our announcements are published to an RSS feed `here <https://conda-forge.org/do
 
 Microsoft has deprecated the Visual Studio (VS) 2017 compiler and removed it
 from all the CI they control (notably Azure Pipelines & Github Actions).
-This means that the default toolchain (== C++ compiler, linker, standard
+This means that the default toolchain (== C/C++ compiler, linker, standard
 libraries, and related utilities) of that VS version - vc141 - is getting less
 and less use in upstream libraries (because public hosted CI doesn't use it
 anymore by default), and therefore support for it is bitrotting
@@ -26,7 +26,7 @@ on 2022-08-25.
 This will not affect you as a general user of conda-forge packages on windows;
 the only impact is that if you are locally compiling against artefacts produced
 by conda-forge and are still using VS2017 yourself, you will need to upgrade your
-compiler (VS2019 is a drop-in & ABI-compatible).
+compiler (VS2019 is a drop-in replacement & ABI-compatible).
 
 2022-07-22: Azure OSX VM Image Bumped to Version 11
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^