diff --git a/disks/pc/README.md b/disks/pc/README.md
index 52513960c..37a75b707 100644
--- a/disks/pc/README.md
+++ b/disks/pc/README.md
@@ -51,12 +51,13 @@ computer diagnostics, programming tools, and more.
### Tools
* [Borland Tools](tools/borland/)
-* [IBM PC Diagnostics](diags/ibm/)
+* [IBM Tools](tools/ibm/)
* [Microsoft Tools](tools/microsoft/)
* [Other Tools](tools/misc/)
### Tests
+* [PC Diagnostics](diags/)
* [VGA "Black Book" Tests](/tests/pc/vga/)
---
diff --git a/disks/pc/tools/ibm/README.md b/disks/pc/tools/ibm/README.md
index a23ab061b..b1fc6cc94 100644
--- a/disks/pc/tools/ibm/README.md
+++ b/disks/pc/tools/ibm/README.md
@@ -1,10 +1,11 @@
---
layout: page
-title: IBM Languages and Tools
+title: IBM Diagnostics and Tools
permalink: /disks/pc/tools/ibm/
---
-IBM Languages
+IBM Diagnostics and Tools
---
-* [IBM BASIC Compilers](bascom/)
+* [IBM PC Diagnostics](/disks/pc/diags/ibm/)
+* [IBM BASIC Compilers](/disks/pc/tools/ibm/bascom/)
diff --git a/pubs/pc/programming/Graphics_for_the_IBM_PC/demos/machine-debugger.xml b/pubs/pc/programming/Graphics_for_the_IBM_PC/demos/machine-debugger.xml
index 761ccb241..3cdd0258c 100644
--- a/pubs/pc/programming/Graphics_for_the_IBM_PC/demos/machine-debugger.xml
+++ b/pubs/pc/programming/Graphics_for_the_IBM_PC/demos/machine-debugger.xml
@@ -6,7 +6,7 @@
-
+
ESC
diff --git a/pubs/pc/programming/Graphics_for_the_IBM_PC/demos/machine.xml b/pubs/pc/programming/Graphics_for_the_IBM_PC/demos/machine.xml
index d630ed77e..e69935dcd 100644
--- a/pubs/pc/programming/Graphics_for_the_IBM_PC/demos/machine.xml
+++ b/pubs/pc/programming/Graphics_for_the_IBM_PC/demos/machine.xml
@@ -6,7 +6,7 @@
-
+
ESC