Small grammar chenge to ISSUE_TEMPLATE.md (PyMySQL#544)

Mostly added articles.

.github/ISSUE_TEMPLATE.md

@@ -1,11 +1,11 @@
-This project is maintained one busy person having frail wife and infant daughter.
-My time and energy is very limited resource. I'm not teacher or free tech support.
-Don't ask a question here.  Don't file an issue until you believe it's a not problem of your code.
-Search friendly volunteer who can teach you or review your code on ML or Q&A site.
+This project is maintained one busy person with a frail wife and an infant daughter.
+My time and energy is a very limited resource. I'm not a teacher or free tech support.
+Don't ask a question here.  Don't file an issue until you believe it's a not a problem with your code.
+Search for friendly volunteers who can teach you or review your code on ML or Q&A sites.
 
 See also: https://medium.com/@methane/why-you-must-not-ask-questions-on-github-issues-51d741d83fde
 
 
-If you're sure it's PyMySQL's issue, report complete step to reproduce, from creating database.
+If you're sure it's PyMySQL's issue, report the complete steps to reproduce, from creating database.
 
-I don't have time to investigate your issue from incomplete code snipet.
+I don't have time to investigate your issue from an incomplete code snippet.