Update README.md

README.md

@@ -109,13 +109,13 @@ libceres.a will be installed at **/usr/local/lib** and headers at **/usr/local/i
 **(1)** Obtain:
 
 - Ubuntu:
-   
-       $ sudo apt-get install libyaml-cpp-dev
-
+  ```
+  $ sudo apt-get install libyaml-cpp-dev
+  ```
 - Mac:
-  
-       $ brew install yaml-cpp
-    
+  ```
+  $ brew install yaml-cpp
+  ```
 We are shipping the CMAKE file `FindYamlCpp.cmake` together with Wolf. Find it at `[wolf]/cmake_modules/FindYamlCpp.cmake`
     
 ### Laser Scan Utils (Optional. Install only if you want to use IRI's laser scan utils)
@@ -183,27 +183,27 @@ Proceed as follows:
   ```      
   source ~/.bash_profile    // or ~/.bashrc, of course
   ```
-2. If you are using Eclipse or other __GUI__s and you want this environment variable to be accessed by them, edit the file `/etc/environment` (you need to use `sudo`) and add this line:
+2. If you are using Eclipse or other __GUIs__ and you want this environment variable to be accessed by them, edit the file `/etc/environment` (you need to use `sudo`) and add this line:
+  
   ```
   WOLF_ROOT="/abs/path/to/wolf"
   ```   
-Then reboot your machine.
-
+Then reboot your machine.  
 Alternatively, you can set up the environment variables in your GUIs only. Follow these guidelines:
   - If you run your application from __eclipse__, do:  
     - Menu Run > Run configurations...  
-      - Add, or edit, a run configuration for the executable you want to run  
-      - Click on tab 'Environment'  
-      - Add a variable named `WOLF_ROOT`, with value `/abs/path/to/wolf`  
-    - If you run from __QtCreator__  
-      - Click on Left bar > Projects > Tab 'Build'  
+    - Add, or edit, a run configuration for the executable you want to run  
+    - Click on tab 'Environment'  
+    - Add a variable named `WOLF_ROOT`, with value `/abs/path/to/wolf`  
+  - If you run from __QtCreator__  
+    - Click on Left bar > Projects > Tab 'Build'  
       - Under 'Build Environment', click 'Details'  
       - Add variable `WOLF_ROOT` with value `/abs/path/to/wolf`  
-      - Click on Tab 'Run'  
+    - Click on Tab 'Run'  
       - Select your Run configuration  
       - Under 'Run Environment', make sure it says 'Use Build Environment'  
       - If not, click on 'Details'   
-      - Under 'Base environment for this run configuration', select 'Build Environment'  
+        - Under 'Base environment for this run configuration', select 'Build Environment'  
 
 ### Wolf ROS Node