diff --git a/doc/src/Section_start.txt b/doc/src/Section_start.txt
index 53a36b8c228be66bc80698b0088b965461b372ad..714ef0a8980ae5269fc1357ea92d2065eafcc90a 100644
--- a/doc/src/Section_start.txt
+++ b/doc/src/Section_start.txt
@@ -587,8 +587,7 @@ Typing "make clean-all" or "make clean-machine" will delete *.o object
 files created when LAMMPS is built, for either all builds or for a
 particular machine.
 
-Changing the LAMMPS size limits via -DLAMMPS_SMALLBIG or
--DLAMMPS_BIGBIG or -DLAMMPS_SMALLSMALL :h6
+Changing the LAMMPS size limits via -DLAMMPS_SMALLBIG or -DLAMMPS_BIGBIG or -DLAMMPS_SMALLSMALL :h6
 
 As explained above, any of these 3 settings can be specified on the
 LMP_INC line in your low-level src/MAKE/Makefile.foo.