diff --git a/APIs.md b/APIs.md
index 940e777..e7ce1e0 100644
--- a/APIs.md
+++ b/APIs.md
@@ -2,11 +2,11 @@
 
 There are three distinct API classes that need to be used:
 
-* Mouse Graphics Tool Kit - graphics primitives, windowing and events
+* MouseGraphics ToolKit - graphics primitives, windowing and events
 * DeskTop Jump Table - simple JSR calls starting at $4003 MAIN, no arguments
 * DeskTop API - another MLI-style interface starting at $8E00 AUX
 
-## Mouse Graphics Tool Kit
+## MouseGraphics ToolKit
 
 This is a complex API library written by Apple circa 1985. It consists of:
 
diff --git a/desktop/README.md b/desktop/README.md
index f5bd01a..0b75564 100644
--- a/desktop/README.md
+++ b/desktop/README.md
@@ -80,7 +80,7 @@ Loaded at $800-$FFF, this does one-time initialization of the
 DeskTop. It is later overwritten when any desk accessories are
 run.
 
-### Mouse Graphics Tool Kit (MGTK)
+### MouseGraphics ToolKit (MGTK)
 
 `a2d.s`
 
diff --git a/desktop/mgtk.s b/desktop/mgtk.s
index a03c573..e5dff7d 100644
--- a/desktop/mgtk.s
+++ b/desktop/mgtk.s
@@ -10,7 +10,7 @@
         .include "../macros.inc"
 
 ;;; ==================================================
-;;; Mouse Graphics Tool Kit
+;;; MouseGraphics ToolKit
 ;;; ==================================================
 
 .proc mgtk
@@ -324,7 +324,7 @@ jump_table:
         .addr   VersionImpl         ; $1C Version
 
         ;; ----------------------------------------
-        ;; Mouse Graphics Tool Kit
+        ;; MouseGraphics ToolKit
 
         ;; Initialization Calls
         .addr   StartDeskTopImpl    ; $1D StartDeskTop
@@ -439,7 +439,7 @@ param_lengths:
         PARAM_DEFN  0, $00, 0                ; $1C Version
 
         ;; ----------------------------------------
-        ;; Mouse Graphics Tool Kit Calls
+        ;; MouseGraphics ToolKit Calls
 
         ;; Initialization
         PARAM_DEFN 12, $82, 0                ; $1D StartDeskTop
diff --git a/mgtk.inc b/mgtk.inc
index 0df6428..5a0b29d 100644
--- a/mgtk.inc
+++ b/mgtk.inc
@@ -1,5 +1,5 @@
 ;;; ==================================================
-;;; Mouse Graphics Tool Kit (w/ Graphics Primitives)
+;;; MouseGraphics ToolKit (w/ Graphics Primitives)
 ;;; ==================================================
 
 .scope MGTK
@@ -175,7 +175,7 @@ Version         := $1C          ; Get toolkit version
 ;;; .word       (out) number
 
 ;;; ==================================================
-;;; Mouse Graphics Tool Kit Calls
+;;; MouseGraphics ToolKit Calls
 ;;; ==================================================
 
 ;;; --------------------------------------------------
@@ -494,7 +494,7 @@ textbg_black       := $00
 textbg_white       := $7F
 
 ;;; ==================================================
-;;; Mouse Graphics Tool Kit Constants
+;;; MouseGraphics ToolKit Constants
 
 ;;; Used in GetEvent
 event_kind_no_event        := 0    ; No mouse or keypress