fix small format issues

src/INTERLAYER/pair_ilp_graphene_hbn.cpp

@@ -16,8 +16,6 @@
 
    This is a full version of the potential described in
    [Ouyang et al., J. Chem. Theory Comput. 16(1), 666-676 (2020)]
-   The definition of normals are the same as that in
-   [Kolmogorov & Crespi, Phys. Rev. B 71, 235415 (2005)]
 ------------------------------------------------------------------------- */
 
 #include "pair_ilp_graphene_hbn.h"

src/INTERLAYER/pair_ilp_tmd.cpp

@@ -15,7 +15,7 @@
    e-mail: w.g.ouyang at gmail dot com
 
    This is a full version of the potential described in
-   [Ouyang et al, J. Chem. Theory Comput. 17, 7237 (2021).]
+   [Ouyang et al., J. Chem. Theory Comput. 17, 7237 (2021).]
 ------------------------------------------------------------------------- */
 
 #include "pair_ilp_tmd.h"

src/INTERLAYER/pair_saip_metal.cpp

@@ -15,7 +15,7 @@
    e-mail: w.g.ouyang at gmail dot com
 
    This is a full version of the potential described in
-   [Ouyang et al, J. Chem. Theory Comput. 17, 7215-7223 (2021)]
+   [Ouyang et al., J. Chem. Theory Comput. 17, 7215-7223 (2021)]
 ------------------------------------------------------------------------- */
 
 #include "pair_saip_metal.h"