Merge pull request #6441 from bndtools/6439-better-explain-the-implic…

…ations-of--nouses-instruction

improve description of -nouses

docs/_instructions/nouses.md

@@ -5,8 +5,13 @@ title: -nouses  BOOLEAN
 summary: Do not calculate uses directives on package exports or on capabilities. 
 ---
 
-Do not calculate the uses directive on package exports or on capabilities.
+Do not calculate the [uses directive](https://docs.osgi.org/specification/osgi.core/8.0.0/framework.module.html#i3127019) on package exports or on capabilities, if set to _true_.
+Default: _false_
 
 For example:
 
     -nouses: true
+
+
+**Warning:** 
+Setting this flag to _true_ is rarely needed and can be **dangerous**. Without any _uses_ clause, all packages are treated as independent from each other. That means the OSGi resolver is free to wire these packages to different classloaders if used by a consumer (or its dependencies).