From 30fe647f51a364760860e0b3517d012917950162 Mon Sep 17 00:00:00 2001
From: Tom Ball <tball@microsoft.com>
Date: Mon, 27 Feb 2017 10:51:52 -0800
Subject: [PATCH] more docs for show-arrow. correct errors

---
 docs/reference/basic.md            |  1 +
 docs/reference/basic/show-arrow.md | 23 +++++++++++++++++++++++
 docs/reference/basic/show-icon.md  |  3 +--
 libs/core/icons.ts                 |  2 ++
 4 files changed, 27 insertions(+), 2 deletions(-)
 create mode 100644 docs/reference/basic/show-arrow.md

diff --git a/docs/reference/basic.md b/docs/reference/basic.md
index 7d519c38..9a07cf29 100644
--- a/docs/reference/basic.md
+++ b/docs/reference/basic.md
@@ -25,6 +25,7 @@ basic.plotLeds(`
 . . . . .
 . . . . .
 `);
+basic.showArrow(ArrowNames.North);
 basic.showAnimation(`
 . . . . .
 . . . . .
diff --git a/docs/reference/basic/show-arrow.md b/docs/reference/basic/show-arrow.md
new file mode 100644
index 00000000..8c66a12b
--- /dev/null
+++ b/docs/reference/basic/show-arrow.md
@@ -0,0 +1,23 @@
+# Show Arrow
+
+Shows the selected arrow on the LED screen
+
+```sig
+basic.showArrow(ArrowNames.North)
+```
+
+### Example
+
+This program shows all eight arrows.
+
+```blocks
+for (let index = 0; index <= 7; index++) {
+    basic.showArrow(index)
+    basic.pause(300)
+}
+```
+
+### See also
+
+[showIcon](/reference/basic/show-icon),
+[showLeds](/reference/basic/show-leds)
\ No newline at end of file
diff --git a/docs/reference/basic/show-icon.md b/docs/reference/basic/show-icon.md
index 876f3aea..342026a8 100644
--- a/docs/reference/basic/show-icon.md
+++ b/docs/reference/basic/show-icon.md
@@ -18,5 +18,4 @@ basic.showIcon(IconNames.Sad)
 
 ### See also
 
-[show leds](/reference/led/show-leds)
-
+[showLeds](/reference/basic/show-leds)
\ No newline at end of file
diff --git a/libs/core/icons.ts b/libs/core/icons.ts
index 5622e094..75a2593a 100644
--- a/libs/core/icons.ts
+++ b/libs/core/icons.ts
@@ -136,6 +136,7 @@ namespace basic {
     //% blockId=basic_show_icon 
     //% block="show icon %i" icon="\uf00a"
     //% parts="ledmatrix"
+    //% help=basic/show-icon
     export function showIcon(icon: IconNames) {
         let res = images.iconImage(icon)
         res.showImage(0)
@@ -146,6 +147,7 @@ namespace basic {
     //% block="show arrow %i=device_arrow"
     //% parts="ledmatrix"
     //% advanced=true
+    //% help=basic/show-arrow
     export function showArrow(i: number) {
         let res = images.arrowImage(i)
         res.showImage(0)