Revises changes

And does some clarification, de-indentation and reflow. This closes #2571

Author: JJ

doc/Language/modules.pod6

@@ -490,8 +490,8 @@ Then use the tag you like and pick the symbol by its name.
     my &escape-uri = URI::Escape::EXPORT::DEFAULT::<&uri_escape>;
 
 Be careful I<not> to put C<sub EXPORT> after L«C<unit> declarator|/syntax/unit».
-If you do so, it'll become just a sub inside your package, rather than the special
-export sub:
+If you do so, it'll become just a sub inside your package, rather than the
+special export sub:
 
 =for code :solo
 unit module Bar;
@@ -501,17 +501,17 @@ sub EXPORT { %(Foo => &say) } # WRONG!!! Sub is scoped wrong
 sub EXPORT { %(Foo => &say) } # RIGHT!!! Sub is outside the module
 unit module Bar;
 
-=head2 Finding modules
+=head2 Finding installed modules
 
-It is up to the module installer to know where C<compunit> expects modules to
-be placed. There will be a location provided by the distribution and in the
-current home directory. In any case, letting the module installer deal with
-your modules is a safe bet.
+It is up to the module installer to know where C<compunit> expects modules to be
+placed. There will be a location provided by the
+L<distribution|/syntax/$%3FDISTRIBUTION> and in the current home directory. In
+any case, letting the module installer deal with your modules is a safe bet.
 
-    =begin code :lang<shell>
-    cd your-module-dir
-    zef --force install .
-    =end code
+=begin code :lang<shell>
+cd your-module-dir
+zef --force install .
+=end code
 
 X<|use lib>
 A user may have a collection of modules not found in the normal ecosystem,