diff --git a/collects/teachpack/htdc/Docs/colors.thtml b/collects/teachpack/htdc/Docs/colors.thtml
index 9a41372c3a..c96d32f7f3 100644
--- a/collects/teachpack/htdc/Docs/colors.thtml
+++ b/collects/teachpack/htdc/Docs/colors.thtml
@@ -11,11 +11,11 @@ This draw package provides classes for representing colors:
/ \
---
|
- ------------------------------------------
- | | | | |
- +-------+ +-------+ +-------+ +-------+ +-------+
- | Blue | | Green | | Red | | White | | Yellow|
- +-------+ +-------+ +-------+ +-------+ +-------+
+ --------------------------------------------------
+ | | | | | |
+ +-------+ +-------+ +-------+ +-------+ +-------+ +-------+
+ | Blue | | Green | | Red | | White | | Yellow| | Black |
+ +-------+ +-------+ +-------+ +-------+ +-------+ +-------+
diff --git a/collects/teachpack/htdc/Docs/draw.thtml b/collects/teachpack/htdc/Docs/draw.thtml
index 20148b4d19..f265df733b 100644
--- a/collects/teachpack/htdc/Docs/draw.thtml
+++ b/collects/teachpack/htdc/Docs/draw.thtml
@@ -21,7 +21,7 @@ import geometry.*;
| abstract World onTick() | | boolean drawRect(Posn,int,int,Color) |
| abstract World onKeyEvent(String) | | boolean drawLine(Posn,Posn,Color) |
| abstract boolean draw() | | boolean drawString(Posn,String) |
- | abstract boolean erase( | | boolean clearCircle(Posn,int,Color) |
+ | abstract boolean erase() | | boolean clearCircle(Posn,int,Color) |
+-----------------------------------+ | boolean clearDisk(Posn,int,Color) |
| boolean clearRect(Posn,int,int,Color) |
| boolean clearLine(Posn,Posn,Color) |
diff --git a/collects/teachpack/htdc/Docs/head.tinc b/collects/teachpack/htdc/Docs/head.tinc
index d719284951..df1346688a 100644
--- a/collects/teachpack/htdc/Docs/head.tinc
+++ b/collects/teachpack/htdc/Docs/head.tinc
@@ -5,7 +5,7 @@
-Teachpacks for How to Design Programs
+Teachpacks for How to Design Classes
{LIBNAME}