Improve some editorial bits and weaken claim

Let's say "may" rather than "will" here.

src/linkage.md

@@ -47,15 +47,15 @@ be ignored in favor of only building the artifacts specified by command line.
   linking Rust code into an existing non-Rust application
   because it will not have dynamic dependencies on other Rust code.
 
-  Note that, because the resulting static library contains all of the
+  Note that, because the resulting static library contains the code of all the
   dependencies, including the standard library, and also exports all public
   symbols of them, linking the static library into an executable or shared
-  library will need special care. In case of a shared library the list of
+  library may need special care. In case of a shared library the list of
   exported symbols will have to be limited via e.g. a linker or symbol version
-  script, exported symbols list (macOS) or module definition file (Windows).
+  script, exported symbols list (macOS), or module definition file (Windows).
   Additionally, unused sections can be removed to remove all code of
-  dependencies that is not actually used (e.g. `--gc-sections` or
-  `-dead_strip` for macOS).
+  dependencies that is not actually used (e.g. `--gc-sections` or `-dead_strip`
+  for macOS).
 
 * `--crate-type=cdylib`, `#![crate_type = "cdylib"]` - A dynamic system
   library will be produced.  This is used when compiling