diff --git a/reduction_tools/make_mtz.py b/reduction_tools/make_mtz.py
index 0f4eaa0..a530de8 100644
--- a/reduction_tools/make_mtz.py
+++ b/reduction_tools/make_mtz.py
@@ -109,7 +109,7 @@ def make_mtz( hklout_file, mtzout_file, project, crystal, dataset, cell, spacegr
     mtz_sh.write( "echo 'I filename = {0}'\n\n\n".format( mtzout_file ) )
     mtz_sh.write( "echo 'running truncate'\n" )
     mtz_sh.write( "echo 'setting resolution range to {0}-{1}'\n".format( res_range[0], res_range[1] ) )
-    mtz_sh.write( "echo 'assuming that there are {0}' in assymetric unit\n\n\n".format( residues ) )
+    mtz_sh.write( "echo 'assuming that there are {0} residues in assymetric unit'\n\n\n".format( residues ) )
     mtz_sh.write( "truncate HKLIN {0} HKLOUT {1} << EOF_F > truncate.log\n".format( mtzout_file, Fout_file ) )
     mtz_sh.write( "truncate YES\n" )
     mtz_sh.write( "anomalous NO\n" )