diff --git a/README.txt b/README.txt
index b51a750..41133f4 100644
--- a/README.txt
+++ b/README.txt
@@ -192,6 +192,10 @@ also to Eliuk Blau for tracking down bugs in the memory management opcodes.
* Version History
+1.3.3 2014-03-15 Added acceleration functions 8 through 13, which work
+ correctly when the Inform 6 compiler setting NUM_ATTR_BYTES
+ is changed, contributed by Andrew Plotkin.
+
1.3.2 2013-03-26 A further fix to glkop.c, following the similar fix added to
Glulxe 0.5.1.
Increased the default undo buffer size in all ports to 2Mb.
diff --git a/help/glulx.htm b/help/glulx.htm
index 8541840..7304531 100644
--- a/help/glulx.htm
+++ b/help/glulx.htm
@@ -10,7 +10,7 @@
Glulx
the Inform compiler could compile to, without the limitations of its original output format, Infocom's
Z-Machine.
-Windows Git is based on Iain Merrick's Git 1.3.2, which is a complete implementation of version 3.1.2
+Windows Git is based on Iain Merrick's Git 1.3.3, which is a complete implementation of version 3.1.2
of the Glulx specification.
More information on Glulx is available from the Glulx web page:
diff --git a/help/overview.htm b/help/overview.htm
index c5a3605..0402ede 100644
--- a/help/overview.htm
+++ b/help/overview.htm
@@ -4,7 +4,7 @@
-
Windows Git 1.3.2 (Windows Glk 1.45)
+
Windows Git 1.3.3 (Windows Glk 1.45)
Windows Git is an interpreter for Glulx games. Windows Git
consists of a core interpreter called Git, and an input/output library, called Windows
Glk. Together these two components form the Windows Git package, which has been created
diff --git a/help/revision.htm b/help/revision.htm
index 6c15599..8e78878 100644
--- a/help/revision.htm
+++ b/help/revision.htm
@@ -6,7 +6,7 @@
The way in which colours are specified in the options dialog has been simplified: the
"General" tab now contains three buttons that allow the overall text, background and hyperlink
@@ -14,6 +14,8 @@
Revision History
tab on a per-style basis.
The function glk_window_get_arrangement() no longer causes a crash if any of its output
arguments are 0.
+
Added acceleration functions 8 through 13, which work correctly when the Inform 6 compiler
+setting NUM_ATTR_BYTES is changed, contributed by Andrew Plotkin.