diff --git a/ChangeLog b/ChangeLog
index f86a29f6b57..84828503ba7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2594,5 +2594,7 @@
 	* configs/compal_e88 and configs/compal_e99:  Support for Compal e88 and e99 phones
 	  Contributed by Denis Carilki and includes the work of Denis, Alan Carvalho de
 	  Assis, and Stefan Richter.
+	* arch/arm/src/lpc17xx: Several fixes for error that have crept in for the LPC17xx
+	  DAC.  Contriburted by by Lzzy.
 
 
diff --git a/Documentation/NxWidgets.html b/Documentation/NxWidgets.html
index fdca78b5aba..41f04116252 100755
--- a/Documentation/NxWidgets.html
+++ b/Documentation/NxWidgets.html
@@ -15,7 +15,7 @@
 <h1>NXWidgets</h1>
 <p>
   In order to better support NuttX based platforms, a special graphical userinterface has been created called NXWidgets.
-  NXWidgets is written in C++ and integrates seamlessly with the NuttX NX graphics subsystem in order to provide graphic objects, or &quot;widgets,&quot; in the NX Graphics Subsystem
+  NXWidgets is written in C++ and integrates seamlessly with the NuttX <a href="NXGraphicsSubsystem.html">NX graphics subsystem</a> in order to provide graphic objects, or &quot;widgets,&quot; in the NX Graphics Subsystem
 </p>
 <p>
   Some of the features of NXWidgets include:
@@ -26,7 +26,7 @@
     No additional C++ support libraries are required.
   </li>
   <li><b>NX Integration</b>.
-    NXWidgets integrate seamlessly with the NX graphics system.
+    NXWidgets integrate seamlessly with the <a href="NXGraphicsSubsystem.html">NX graphics subsystem</a>.
     Think of the X server under Linux … the NX graphics system is like a tiny X server that provides windowing under NuttX.
     By adding NXWidgets, you can support graphics objects like buttons and text boxes in the NX windows and toolbars.
   </li>
diff --git a/arch/arm/src/stm32/stm32_serial.c b/arch/arm/src/stm32/stm32_serial.c
index e914112721d..de918efbe1e 100644
--- a/arch/arm/src/stm32/stm32_serial.c
+++ b/arch/arm/src/stm32/stm32_serial.c
@@ -163,7 +163,7 @@ static int up_interrupt_usart6(int irq, void *context);
  * Private Variables
  ****************************************************************************/
 
-struct uart_ops_s g_uart_ops =
+static const struct uart_ops_s g_uart_ops =
 {
   .setup          = up_setup,
   .shutdown       = up_shutdown,
diff --git a/sched/os_start.c b/sched/os_start.c
index 889c28fb88f..05a7330f39b 100644
--- a/sched/os_start.c
+++ b/sched/os_start.c
@@ -208,7 +208,7 @@ static FAR _TCB g_idletcb;
 
 /* This is the name of the idle task */
 
-static FAR char g_idlename[] = "Idle Task";
+static FAR const char g_idlename[] = "Idle Task";
 
 /****************************************************************************
  * Private Function Prototypes