diff --git a/doc/fdt_reg.html b/doc/fdt_reg.html
index 3d47f88cc21545e0f8ae02aaeef49c9af623b057..bdd440f2d28233724a31d7fd1fc5c32755128987 100644
--- a/doc/fdt_reg.html
+++ b/doc/fdt_reg.html
@@ -30,7 +30,7 @@ the 'xfms' subdirectory of the bedpost directory and named as follows:
 <li>standard2str.mat - from standard to structural space</li></ul>
 
 <p>By default, transformation matrices between diffusion and structural space are
-derived using 6 degrees of fredom, the mutual information cost
+derived using 12 degrees of freedom, the mutual information cost
 function and normal search; transformations matrices between structural and standard space
 are derived using 12 degrees of freedom, the correlation ratio cost
 function and normal search.  These parameters may be adjusted if required