Update README.adoc (#447)

Author: gkwan-ibm

README.adoc

@@ -521,7 +521,7 @@ ifdef::cloud-hosted[]
 Update the mpData.js file.
 
 > From the menu of the IDE, select 
-> **File** > **Open** > guide-getting-started/start/src/main/webapp/js/mpData.js, or click the following button
+> ***File*** > ***Open*** > guide-getting-started/start/src/main/webapp/js/mpData.js, or click the following button
 
 ::openFile{path="/home/project/guide-getting-started/start/src/main/webapp/js/mpData.js"}