Update building docs for building highlight.js
Change-Id: Ibc5e299033e18900b288c61829c092fe16ebe584
diff --git a/lib/highlightjs/building.md b/lib/highlightjs/building.md
index cd5884a..71ed396 100644
--- a/lib/highlightjs/building.md
+++ b/lib/highlightjs/building.md
@@ -22,6 +22,9 @@
$> # start in some temp directory
$> git clone https://github.com/highlightjs/highlight.js
$> cd highlight.js
+ $> git clone https://github.com/highlightjs/highlightjs-closure-templates
+ $> ln -s ../../highlightjs-closure-templates/soy.js src/languages/soy.js
+ $> mkdir test/detect/soy && ln -s ../../../highlightjs-closure-templates/test/detect/soy/default.txt test/detect/soy/default.txt
$> npm install
$> node tools/build.js -n
