minor documentation fixups

doc/darshan-modularization.txt

@@ -470,7 +470,7 @@ new instrumentation modules:
 
 * Necessary linker flags for inserting this module's wrapper functions need to be added to a
 module-specific file which is used when linking applications with Darshan. For an example,
-consider `darshan-runtime/darshan-posix-ld-opts`, the required linker options for the POSIX
+consider `darshan-runtime/share/ld-opts/darshan-posix-ld-opts`, the required linker options for the POSIX
 module. The base linker options file for Darshan (`darshan-runtime/darshan-base-ld-opts.in`)
 must also be updated to point to the new module-specific linker options file.