syntax highlighting

README.md

@@ -34,7 +34,7 @@ NODE_VERSION=v10
 
 Usage:
 
-```
+```bash
 export NODE_VERSION=v10.10
 curl -fsSL https://bit.ly/node-installer | bash
 ```
@@ -45,7 +45,7 @@ By default node will be installed to `/usr/local`, without root if possible.
 
 You can choose a specific location by setting **both** `NPM_CONFIG_PREFIX` **and** `NODE_PATH`:
 
-```
+```bash
 export NPM_CONFIG_PREFIX=$HOME/.local/
 export NODE_PATH=$NPM_CONFIG_PREFIX/lib/node_modules
 curl -fsSL https://bit.ly/node-installer | bash