diff --git a/changes/REMOVED.txt b/changes/REMOVED.txt
deleted file mode 100644
index 41071fe..0000000
--- a/changes/REMOVED.txt
+++ /dev/null
@@ -1,26 +0,0 @@
-Cpi                                     PI
-hypot3                                  norm([x,y,z])
-distance                                norm(p2-p1)
-cdr                                     slice(list, 1, -1)
-wrap_range                              select()
-vector2d_angle                          vector_angle()
-vector3d_angle                          vector_angle()
-rotate_points3d_around_axis             rotate_points3d(pts, v=ang, axis=u, cp=cp)
-cube2pt                                 cuboid(p1, p2)
-span_cube                               cuboid(p1, p2)
-offsetcube                              cuboid(..., align)
-chamfcube                               cuboid(..., chamfer, edges, trimcorners)
-rrect                                   cuboid(..., fillet, edges)
-rcube                                   cuboid(..., fillet)
-trapezoid                               prismoid()
-pyramid                                 cyl(..., r2=0, $fn=N)
-prism                                   cyl(..., $fn=N)
-chamferred_cylinder                     cyl(..., chamfer)
-chamf_cyl                               cyl(..., chamfer)
-filleted_cylinder                       cyl(..., fillet)
-rcylinder                               cyl(..., fillet)
-thinning_brace                          thinning_triangle(..., diagonly=true)
-translate_copies                        place_copies()
-line_of                                 spread(p1, p2)
-grid_of                                 grid3d()
-
diff --git a/scripts/docs_gen.py b/scripts/docs_gen.py
index 640be43..fc0afa7 100755
--- a/scripts/docs_gen.py
+++ b/scripts/docs_gen.py
@@ -576,7 +576,7 @@ class LeafNode(object):
                 out.append("")
         if self.arguments:
             out.append("**Arguments:**")
-            out.append("By Position | What it does")
+            out.append('<abbr title="These args can be used by position or by name.">By&nbsp;Position</abbr> | What it does')
             out.append("---------------- | ------------------------------")
             for argname, argdesc in self.arguments:
                 argname = argname.replace(" / ", "` / `")
@@ -588,7 +588,7 @@ class LeafNode(object):
                 )
             out.append("")
         if self.named_arguments:
-            out.append("By&nbsp;Name   | What it does")
+            out.append('<abbr title="These args must be used by name, ie: name=value">By&nbsp;Name</abbr>   | What it does')
             out.append("-------------- | ------------------------------")
             for argname, argdesc in self.named_arguments:
                 argname = argname.replace(" / ", "` / `")
diff --git a/version.scad b/version.scad
index a3f9282..40aa24a 100644
--- a/version.scad
+++ b/version.scad
@@ -6,7 +6,7 @@
 //////////////////////////////////////////////////////////////////////
 
 
-BOSL_VERSION = [2,0,511];
+BOSL_VERSION = [2,0,512];
 
 
 // Section: BOSL Library Version Functions