typos in changelog

CHANGES/v2.3.txt

@@ -151,9 +151,9 @@ See branch \branch{v2.3} on git repository.
   with a package manager such as MacPorts.
 - Resolved problem with nan in \ref SMAC with SPECIESA and SPECIESB involving molecules that are the same
 - PDB reader is now able to read files with dos newlines (see \issue{223}).
-- fix a bug in \ref CS2BACKBONE (v2.3.1) related to ring currents of HIS and TRP
+- Fixed bug in \ref CS2BACKBONE (v2.3.1) related to ring currents of HIS and TRP
 - Fixed bug in if condition in \ref PCAVARS so that you can run with only one eigenvector defined in input 
-- Fixed but with timers in \ref sum_hills \issue{194}.
+- Fixed bug with timers in \ref sum_hills \issue{194}.
 - Fixed bug when using \ref MOVINGRESTRAINT with periodic variables such as \ref TORSION \issue{225}.
 - Fixed bug in \ref HBONDS that used to apear when you used DONORNS and ACCEPTORS with same numbers of atoms 
 - Fixed bug in \ref DISTANCES that appears when using BETWEEN and link cells.