diff --git a/doc/fix_deform.html b/doc/fix_deform.html
index e331273ff6..8ee69c66df 100644
--- a/doc/fix_deform.html
+++ b/doc/fix_deform.html
@@ -79,7 +79,7 @@
 <PRE>fix 1 all deform 1 x final 0.0 9.0 z final 0.0 5.0 units box
 fix 1 all deform 1 x trate 0.1 y volume z volume
 fix 1 all deform 1 xy erate 0.001 remap v
-fix 1 all deform 10 y delta 0.5 xz vel 1.0 
+fix 1 all deform 10 y delta -0.5 0.5 xz vel 1.0 
 </PRE>
 <P><B>Description:</B>
 </P>
diff --git a/doc/fix_deform.txt b/doc/fix_deform.txt
index e444ef54a6..33d1ad3a7c 100644
--- a/doc/fix_deform.txt
+++ b/doc/fix_deform.txt
@@ -69,7 +69,7 @@ keyword = {remap} or {units} :l
 fix 1 all deform 1 x final 0.0 9.0 z final 0.0 5.0 units box
 fix 1 all deform 1 x trate 0.1 y volume z volume
 fix 1 all deform 1 xy erate 0.001 remap v
-fix 1 all deform 10 y delta 0.5 xz vel 1.0 :pre
+fix 1 all deform 10 y delta -0.5 0.5 xz vel 1.0 :pre
 
 [Description:]