share/mk/bsd.README: refer to the linker, not the loader

We're invoking the linker to create programs or libraries from one or
more object files not the loader to load them in to memory.

Reviewed by:	jhb, emaste
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D50481

share/mk/bsd.README

@@ -175,7 +175,7 @@ DPADD		Additional dependencies.  Usually used for libraries.
 		Dependencies on shared libraries should be only on the
 		library version numbers.
 
-LDADD		Additional loader objects.  Usually used to add libraries.
+LDADD		Additional linker objects.  Usually used to add libraries.
 		For example, to load with the compatibility and utility
 		libraries, use:
 
@@ -184,8 +184,8 @@ LDADD		Additional loader objects.  Usually used to add libraries.
 LDADD.${.TARGET:T}
 		Loader objects dependent on output file name.
 
-LDFLAGS		Additional loader flags. Passed to the loader via CC,
-		since that's used to link programs as well, so loader
+LDFLAGS		Additional linker flags. Passed to the linker via CC,
+		since that's used to link programs as well, so linker
 		specific flags need to be prefixed with -Wl, to work.
 LDFLAGS.${.TARGET:T}
 		Flags dependent on output file name.