diff --git a/joiners.scad b/joiners.scad
index ffb5bb6..3f16811 100644
--- a/joiners.scad
+++ b/joiners.scad
@@ -488,7 +488,7 @@ module joiner_quad(spacing1=undef, spacing2=undef, xspacing=undef, yspacing=unde
 //   fwd(35)
 //     diff("remove")
 //       cuboid([50,30,10])
-//         attach(TOP) dovetail("female", length=50, width=18, height=4, back_width=15, spin=90, $tags="remove");
+//         attach(TOP) dovetail("female", slide=50, width=18, height=4, back_width=15, spin=90, $tags="remove");
 // Example: A series of dovetails forming a tail board, with the inside of the joint up.  A standard wood joint would have a zero taper. 
 //   cuboid([50,30,10])
 //     attach(BACK) xcopies(10,5) dovetail("male", slide=10, width=7, taper=4, height=4);
diff --git a/version.scad b/version.scad
index ec5e31a..f0db2cf 100644
--- a/version.scad
+++ b/version.scad
@@ -6,7 +6,7 @@
 //////////////////////////////////////////////////////////////////////
 
 
-BOSL_VERSION = [2,0,519];
+BOSL_VERSION = [2,0,520];
 
 
 // Section: BOSL Library Version Functions