diff --git a/test/library/qmmm_amber/fortran_stub/README.txt b/test/library/qmmm_amber/fortran_stub/README.txt
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+This code informally tracks the QMMM interface contributed to AmberMD
+for running QMMM simulations with ReaxFF using PuReMD.
+
+The driver code is a stub for Amber and uses snapshots of QMMM
+simulations to test the PuReMD-side interface for QMMM.