mention that fix reax/bonds and reax/c/bonds do not honor the group id

doc/src/compute_displace_atom.txt

@@ -15,7 +15,7 @@ compute ID group-ID displace/atom :pre
 ID, group-ID are documented in "compute"_compute.html command :ulb,l
 displace/atom = style name of this compute command :l
 zero or more keyword/arg pairs may be appended :l
-keyword = {refresh} :
+keyword = {refresh} :l
   {replace} arg = name of per-atom variable :pre
 
 :ule

doc/src/fix_reax_bonds.txt

@@ -34,6 +34,8 @@ written to {filename} on timesteps that are multiples of {Nevery},
 including timestep 0.  For time-averaged chemical species analysis,
 please see the "fix reaxc/c/species"_fix_reaxc_species.html command.
 
+The specified group-ID is ignored by this fix.
+
 The format of the output file should be reasonably self-explanatory.
 The meaning of the column header abbreviations is as follows: