Explain a bit better what --start-lib and --end-lib do.

llvm-svn: 270965

Author: chisophugis

lld/ELF/Options.td

@@ -54,7 +54,7 @@ def enable_new_dtags : Flag<["--"], "enable-new-dtags">,
   HelpText<"Enable new dynamic tags">;
 
 def end_lib : Flag<["--"], "end-lib">,
-  HelpText<"End a library">;
+  HelpText<"End a grouping of objects that should be treated as if they were together in an archive">;
 
 def entry : Separate<["--", "-"], "entry">, MetaVarName<"<entry>">,
   HelpText<"Name of entry point symbol">;
@@ -139,7 +139,7 @@ def soname : Joined<["-"], "soname=">,
   HelpText<"Set DT_SONAME">;
 
 def start_lib : Flag<["--"], "start-lib">,
-  HelpText<"Start a library">;
+  HelpText<"Start a grouping of objects that should be treated as if they were together in an archive">;
 
 def strip_all : Flag<["--"], "strip-all">,
   HelpText<"Strip all symbols">;