diff --git a/Makefile b/Makefile
index e2ca7b4..57d75fc 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 # Makefile -- stm32bringup
-# Copyright © 2020-2023 Renaud Fivet
+# Copyright © 2020-2024 Renaud Fivet
 
 ### Build environment selection
 
@@ -14,7 +14,8 @@ ifeq (linux, $(findstring linux, $(MAKE_HOST)))
 #REVDIR = arm-gnu-toolchain-11.3.rel1-x86_64-arm-none-eabi
 #REVDIR = arm-gnu-toolchain-12.2.rel1-x86_64-arm-none-eabi
 #REVDIR = arm-gnu-toolchain-12.2.mpacbti-rel1-x86_64-arm-none-eabi
- REVDIR = arm-gnu-toolchain-13.2.Rel1-x86_64-arm-none-eabi
+#REVDIR = arm-gnu-toolchain-13.2.Rel1-x86_64-arm-none-eabi
+ REVDIR = arm-gnu-toolchain-13.3.rel1-x86_64-arm-none-eabi
 else
  DRIVE = d
 ifeq (cygwin, $(findstring cygwin, $(MAKE_HOST)))
@@ -38,7 +39,8 @@ endif
 #REVDIR = GNU Arm Embedded Toolchain/arm-gnu-toolchain-11.3.rel1-mingw-w64-i686-arm-none-eabi
 #REVDIR = GNU Arm Embedded Toolchain/arm-gnu-toolchain-12.2.rel1-mingw-w64-i686-arm-none-eabi
 #REVDIR = GNU Arm Embedded Toolchain/arm-gnu-toolchain-12.2.mpacbti-rel1-mingw-w64-i686-arm-none-eabi
- REVDIR = GNU Arm Embedded Toolchain/arm-gnu-toolchain-13.2.Rel1-mingw-w64-i686-arm-none-eabi
+#REVDIR = GNU Arm Embedded Toolchain/arm-gnu-toolchain-13.2.Rel1-mingw-w64-i686-arm-none-eabi
+ REVDIR = GNU Arm Embedded Toolchain/arm-gnu-toolchain-13.3.rel1-mingw-w64-i686-arm-none-eabi
 endif
 
 GCCDIR = $(INSTALLDIR)/$(REVDIR)
diff --git a/docs/11_toolchain.html b/docs/11_toolchain.html
index a23e676..d12de28 100644
--- a/docs/11_toolchain.html
+++ b/docs/11_toolchain.html
@@ -11,7 +11,8 @@ Arm maintains a GCC cross-compiler available as binaries that run on Linux and
 Windows.<br>It is available on their
 <a href="https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-rm">
 arm developer site</a>.
-
+<p>
+I want to develop for <b>AArch32 bare-metal target (arm-none-eabi)</b>.
 <h2>Installation on Windows</h2>
 So far there are only win32 versions available for download either as
 <b>.exe</b> installers or <b>.zip</b> archives. File naming convention helps to
@@ -37,6 +38,7 @@ CC      = $(BINPFX)gcc
 
 version:
     $(CC) --version
+
 </pre>
 <ul>
 <li> <b>GCCDIR</b> holds the path to the folder where the toolchain is installed.
@@ -88,6 +90,7 @@ CC      = $(BINPFX)gcc
 
 version:
     $(CC) --version
+
 </pre>
 
 I use the path prefix <b>$(HOME)/Packages</b> instead of <b>~/Packages</b> when
@@ -151,6 +154,7 @@ LD_SCRIPT = $(GCCDIR)/share/gcc-arm-none-eabi/samples/ldscripts/mem.ld
 
 %.elf: %.o
     $(LD) -T$(LD_SCRIPT) -o $@ $<
+
 </pre>
 
 <pre>
@@ -191,6 +195,7 @@ LD_SCRIPT = $(GCCDIR)/share/gcc-arm-none-eabi/samples/ldscripts/mem.ld
 
 %.hex: %.elf
     $(OBJCOPY) -O ihex $< $@
+
 </pre>
 
 Now, if I start in a directory that contains only this <b>Makefile</b> and an
@@ -263,6 +268,7 @@ clean:
 %.hex: %.elf
     @echo $@
     $(OBJCOPY) -O ihex $< $@
+
 </pre>
 
 <pre>
diff --git a/docs/12_bootstrap.html b/docs/12_bootstrap.html
index 0cb2486..dd0b556 100644
--- a/docs/12_bootstrap.html
+++ b/docs/12_bootstrap.html
@@ -299,6 +299,7 @@ clean:
 %.hex: %.elf
     @echo $@
     $(OBJCOPY) -O ihex $< $@
+
 </pre>
 
     <hr>© 2020-2024 Renaud Fivet
diff --git a/docs/index.html b/docs/index.html
index 068caa5..af9046f 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -6,7 +6,7 @@
     <link type="text/css" rel="stylesheet" href="style.css">
  </head>
  <body>
-<h1>STM32 Bringup</h1>
+<h1>STM32 Bring Up</h1>
 
 <h2>Introduction</h2>
 Getting started with a micro-controller usually means picking up a board,
diff --git a/docs/style.css b/docs/style.css
index 9cb710f..d947a23 100644
--- a/docs/style.css
+++ b/docs/style.css
@@ -9,7 +9,7 @@ body {
 pre {
     background-color: #F3F6FA ;
     margin-left: 1% ;
-    margin-right: 25% ;
+    margin-right: 24.5% ;
     font-size: 120% ;
     overflow-x: auto ;
 }
