diff --git a/Documentation/NuttShell.html b/Documentation/NuttShell.html
index 7af455d577..ecedd4ca6d 100644
--- a/Documentation/NuttShell.html
+++ b/Documentation/NuttShell.html
@@ -8,7 +8,7 @@
NuttShell (NSH)
- Last Updated: July 20, 2016
+ Last Updated: August 4, 2016
|
@@ -3277,7 +3277,7 @@ nsh>
mkfifo |
- CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_PIPES |
+ CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_PIPES && CONFIG_DEV_PIPE_SIZE > 0 |
CONFIG_NSH_DISABLE_MKFIFO |
diff --git a/tools/README.txt b/tools/README.txt
index 7a3ef64086..1fcac577c1 100644
--- a/tools/README.txt
+++ b/tools/README.txt
@@ -625,7 +625,6 @@ sethost.sh
-32|64 selects 32- or 64-bit host (Only for Cygwin). Default 64
-h will show this help test and terminate
-
refresh.sh
----------
diff --git a/tools/sethost.sh b/tools/sethost.sh
index 4072d5f471..b68b991b6f 100644
--- a/tools/sethost.sh
+++ b/tools/sethost.sh
@@ -212,7 +212,8 @@ cd $nuttx || { echo "ERROR: failed to cd to $nuttx"; exit 1; }
make clean_context 1>/dev/null 2>&1
make olddefconfig 1>/dev/null 2>&1
-# Restore any previous .config and Make.defs files
+# Move config file to correct location and restore any previous .config
+# and Make.defs files
if [ "X$dotconfig" != "Xy" ]; then
sed -i -e "s/^CONFIG_APPS_DIR/# CONFIG_APPS_DIR/g" .config