Update ISSUE_TEMPLATE.md

.github/ISSUE_TEMPLATE.md

@@ -3,7 +3,7 @@
 Thanks for considering to open an issue. Before you submit your issue, please confirm these boxes are checked.
 
 - [ ] I have read the [wiki page](https://github.com/onevcat/Kingfisher/wiki) and [cheat sheet](https://github.com/onevcat/Kingfisher/wiki/Cheat-Sheet), but there is no information I need.
-- [ ] I have searched in [existing issues](https://github.com/onevcat/Kingfisher/issues?utf8=✓&q=is%3Aissue), but did find a same one.
+- [ ] I have searched in [existing issues](https://github.com/onevcat/Kingfisher/issues?utf8=✓&q=is%3Aissue), but did not find a same one.
 - [ ] I want to reoprt a problem instead of asking a question. It'd better to use [kingfisher tag in Stack Overflow](http://stackoverflow.com/questions/tagged/kingfisher) to ask a question.
 
 ### Issue Description
@@ -22,4 +22,4 @@ Thanks for considering to open an issue. Before you submit your issue, please co
 
 
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