Fix spelling (#473)

Author: jbampton

.github/ISSUE_TEMPLATE/bug_report.md

@@ -26,14 +26,14 @@ If applicable, add screenshots to help explain your problem.
 **Desktop (please complete the following information):**
 
 - OS: [e.g. iOS]
-- Browser [e.g. chrome, safari]
+- Browser [e.g. Chrome, Safari]
 - Version [e.g. 22]
 
 **Smartphone (please complete the following information):**
 
 - Device: [e.g. iPhone6]
 - OS: [e.g. iOS8.1]
-- Browser [e.g. stock browser, safari]
+- Browser [e.g. stock browser, Safari]
 - Version [e.g. 22]
 
 **Additional context**

.github/ISSUE_TEMPLATE/join_core_team.md

@@ -25,7 +25,7 @@ Brisbane, Australia; UTC/GMT +10 hours
 
 List of languages with experience level:
 <!-- Please remove and change the following languages name and description. -->
-<!-- All the following information is just an example and it's not a MUST, you have to fill this with your situation. -->
+<!-- All the following information is just an example, and it's not a MUST, you have to fill this with your situation. -->
 
 - **C**: 3 years experience (And tell us about libraries you have worked on. e.g: libcurl, OpenSSL and every library you worked in at C.)
 - **C++**: 1 year experience

.github/ISSUE_TEMPLATE/join_doc_team.md

@@ -28,7 +28,7 @@ List of languages you know with their proficiency level (Beginner, Intermediate,
 <!-- All the following information is just an example, and it's not a MUST, you have to fill this with your information. -->
 - **Spanish**: Expert (Native)
 - **English**: Expert
-- **Tibetian**: Intermediate
+- **Tibetan**: Intermediate
 
 ## Programming/IT knowledge