"of the first n waters is made, the ordered trajectory can be used",
"with any Gromacs program to analyze the n closest waters.",
"[PAR]",
- "If the output file is a [TT].pdb[tt] file, the distance to the reference target",
+ "If the output file is a [REF].pdb[ref] file, the distance to the reference target",
"will be stored in the B-factor field in order to color with e.g. Rasmol.",
"[PAR]",
"With option [TT]-nshell[tt] the number of molecules within a shell",