diff --git a/examples/PACKAGES/quip/gap_example.xml b/examples/PACKAGES/quip/gap_example.xml
index baf9e32bb7..b286925e20 100644
--- a/examples/PACKAGES/quip/gap_example.xml
+++ b/examples/PACKAGES/quip/gap_example.xml
@@ -1,3 +1,4 @@
+<!-- DATE: 2015-02-20 UNITS: metal -->
 <GAP_2015_2_20_0_10_54_35_765>
 <Potential label="GAP_2015_2_20_0_10_54_35_765" init_args="Sum init_args_pot1={IP Glue} init_args_pot2={IP GAP label=GAP_2015_2_20_0_10_54_35_765}"/>
 <Glue_params n_types="2">
diff --git a/examples/PACKAGES/quip/sw_example.xml b/examples/PACKAGES/quip/sw_example.xml
index 8a28a7cd7e..14b829ac34 100644
--- a/examples/PACKAGES/quip/sw_example.xml
+++ b/examples/PACKAGES/quip/sw_example.xml
@@ -1,3 +1,4 @@
+<!-- UNITS: metal DATE: 2015-02-24 CITATION: Stillinger and Weber, Phys. Rev. B  31 p 5262 (1984), extended for other elements.  Ge and Si-Ge from Ethier and Lewis '92 -->
 <SW_params n_types="3" label="PRB_31_plus_H_Ge">
 <comment> Stillinger and Weber, Phys. Rev. B  31 p 5262 (1984), extended for other elements.  Ge and Si-Ge from Ethier and Lewis '92 </comment>
 <per_type_data type="1" atomic_num="1" />