Fixing reference in documentation

doc/src/dump_modify.rst

@@ -445,8 +445,9 @@ The *fileper* keyword is documented below with the *nfile* keyword.
 
 The *header* keyword toggles whether the dump file will include a
 header.  Excluding a header will reduce the size of the dump file for
-fixes such as :doc:`fix pair/tracker <fix_pair_tracker>` which do not
-require the information typically written to the header.
+data produced by :doc:`pair tracker <pair_tracker>` or
+:doc:`bpm bond styles <HowTo_bpm>` which may not require the
+information typically written to the header.
 
 ----------
 

src/fix_bond_history.cpp

@@ -360,4 +360,4 @@ void FixBondHistory::check_cache(int i, int m)
 void FixBondHistory::clear_cache()
 {
   cached_histories.clear();
-}
+}