diff --git a/doc/dump.html b/doc/dump.html
index d7d86a5d36..f797a39bb1 100644
--- a/doc/dump.html
+++ b/doc/dump.html
@@ -66,7 +66,7 @@
 dump 2 subgroup atom 50 dump.run.bin
 dump 4a all custom 100 dump.myforce.* tag type x y vx fx
 dump 4b flow custom 100 dump.%.myforce tag type c_myF[3] v_ke
-dump 1 all xtc 1000 file.xtc 100.0 
+dump 1 all xtc 1000 file.xtc 
 </PRE>
 <P><B>Description:</B>
 </P>
diff --git a/doc/dump.txt b/doc/dump.txt
index 26fb1485d5..57491d7462 100644
--- a/doc/dump.txt
+++ b/doc/dump.txt
@@ -56,7 +56,7 @@ dump myDump all atom 100 dump.atom
 dump 2 subgroup atom 50 dump.run.bin
 dump 4a all custom 100 dump.myforce.* tag type x y vx fx
 dump 4b flow custom 100 dump.%.myforce tag type c_myF\[3\] v_ke
-dump 1 all xtc 1000 file.xtc 100.0 :pre
+dump 1 all xtc 1000 file.xtc :pre
 
 [Description:]