Tons of small fixes to documentation.

[alexxy/gromacs.git] / src / tools / gmx_filter.c

diff --git a/src/tools/gmx_filter.c b/src/tools/gmx_filter.c
index 95646e95e76de5f72dbe8c58a6f55b9b3d3c3a19..ba2e4d5453a24d9ea3e77bc36c824752178ff3c2 100644 (file)
--- a/src/tools/gmx_filter.c
+++ b/src/tools/gmx_filter.c
@@ -58,14 +58,14 @@ int gmx_filter(int argc,char *argv[])
 {
   const char *desc[] = {
     "[TT]g_filter[tt] performs frequency filtering on a trajectory.",
-    "The filter shape is cos(pi t/A) + 1 from -A to +A, where A is given",
+    "The filter shape is cos([GRK]pi[grk] t/A) + 1 from -A to +A, where A is given",
     "by the option [TT]-nf[tt] times the time step in the input trajectory.",
     "This filter reduces fluctuations with period A by 85%, with period",
     "2*A by 50% and with period 3*A by 17% for low-pass filtering.",
     "Both a low-pass and high-pass filtered trajectory can be written.[PAR]",
 
     "Option [TT]-ol[tt] writes a low-pass filtered trajectory.",
-    "A frame is written every [TT]nf[tt] input frames.",
+    "A frame is written every [TT]-nf[tt] input frames.",
     "This ratio of filter length and output interval ensures a good",
     "suppression of aliasing of high-frequency motion, which is useful for",
     "making smooth movies. Also averages of properties which are linear",