diff --git a/doc/fix_planeforce.html b/doc/fix_planeforce.html
index d2e465c612..2ef66d5a03 100644
--- a/doc/fix_planeforce.html
+++ b/doc/fix_planeforce.html
@@ -16,7 +16,7 @@
 <PRE>fix ID group-ID planeforce x y z 
 </PRE>
 <UL><LI>ID, group-ID are documented in <A HREF = "fix.html">fix</A> command
-<LI>lineforce = style name of this fix command
+<LI>planeforce = style name of this fix command
 <LI>x y z = 3-vector that is normal to the plane 
 </UL>
 <P><B>Examples:</B>
diff --git a/doc/fix_planeforce.txt b/doc/fix_planeforce.txt
index 133ed61bde..67956c8b6d 100644
--- a/doc/fix_planeforce.txt
+++ b/doc/fix_planeforce.txt
@@ -13,7 +13,7 @@ fix planeforce command :h3
 fix ID group-ID planeforce x y z :pre
 
 ID, group-ID are documented in "fix"_fix.html command
-lineforce = style name of this fix command
+planeforce = style name of this fix command
 x y z = 3-vector that is normal to the plane :ul
 
 [Examples:]