Fix #391, Add "Actual behavior" to GitHub issue...

* add the "Actual behavior" section
* fix usage of colons

Change-Id: Ie5c11ac096d8f88e1e7985943edc58b8883b635f

.github/ISSUE_TEMPLATE/bug_report.md

@@ -20,19 +20,22 @@ Steps to reproduce the behavior:
 **Expected behavior**
 A clear and concise description of what you expected to happen.
 
+**Actual behavior**
+A clear and concise description of what actually happens.
+
 **Screenshots**
 If applicable, add screenshots to help explain your problem.
 
-**Desktop (please complete the following information):**
+**Desktop (please complete the following information)**
  - OS: [e.g. iOS]
- - Browser [e.g. chrome, safari]
- - Version [e.g. 22]
+ - Browser: [e.g. chrome, safari]
+ - Version: [e.g. 22]
 
-**Smartphone (please complete the following information):**
+**Smartphone (please complete the following information)**
  - Device: [e.g. iPhone6]
  - OS: [e.g. iOS8.1]
- - Browser [e.g. stock browser, safari]
- - Version [e.g. 22]
+ - Browser: [e.g. stock browser, safari]
+ - Version: [e.g. 22]
 
 **Additional context**
 Add any other context about the problem here.