address comments

Author: scotthart

doc/compile-time-configuration.md

@@ -78,9 +78,8 @@ We expect that application developers using Bazel will include
 
 ### The C++ Standard
 
-The default Bazel toolchain forces C++17 on Linux and macOS. `google-cloud-cpp`
-requires C++17, so you will need to update the C++ standard version. You must
-either:
+`google-cloud-cpp` requires C++17, so you may need to update the C++ standard
+version. You want to either:
 
 - Provide your own C++ toolchain configuration for Bazel. Consult the Bazel
   documentation if you want to attempt this approach.

doc/packaging.md

@@ -1211,7 +1211,7 @@ cmake --build cmake-out --target install
     the Protobuf-generated code.
 
 [^7]: See the [OpenTelemetry quickstart][otel-qs] for detailed instructions on how
-    to enable and build this optional dependency.
+    to build this dependency.
 
 [abseil-gh]: https://github.com/abseil/abseil-cpp
 [abseil/abseil-cpp#696]: https://github.com/abseil/abseil-cpp/issues/696