increase duplicate char checks and fix spelling mistake

Makefile

@@ -33,14 +33,14 @@ lint: clean fetch generate
 	test -f $(GOPATH)/bin/gometalinter.v1 || go get -v -u gopkg.in/alecthomas/gometalinter.v1
 	$(GOPATH)/bin/gometalinter.v1 -i > /dev/null
 	@echo "\n\033[0;36m [ Running SHORT linting ]\033[0;m"
-	$(GOPATH)/bin/gometalinter.v1 --vendored-linters --sort=path --exclude="bindata*" --exclude "vendor" --min-confidence=0.3 --deadline 15s --disable-all -E structkcheck -E deadcode -E ineffassign -E dupl -E golint -E gotype -E varcheck -E interfacer -E goconst -E gosimple -E staticcheck -E unused -E gofmt -E goimports -E misspell ./...
+	$(GOPATH)/bin/gometalinter.v1 --vendored-linters --sort=path --exclude="bindata*" --exclude "vendor" --min-confidence=0.3 --dupl-threshold=70 --deadline 15s --disable-all -E structcheck -E deadcode -E ineffassign -E dupl -E golint -E gotype -E varcheck -E interfacer -E goconst -E gosimple -E staticcheck -E unused -E gofmt -E goimports -E misspell ./...
 
 lintextended: clean fetch generate
 	@echo "\n\033[0;36m [ Installng linters ]\033[0;m"
 	test -f $(GOPATH)/bin/gometalinter.v1 || go get -v -u gopkg.in/alecthomas/gometalinter.v1
 	$(GOPATH)/bin/gometalinter.v1 -i > /dev/null
 	@echo "\n\033[0;36m [ Running EXTENDED linting ]\033[0;m"
-	$(GOPATH)/bin/gometalinter.v1 --vendored-linters --sort=path --exclude="bindata*" --exclude "vendor" --min-confidence=0.3 --deadline 1m --disable-all -E structkcheck -E aligncheck -E deadcode -E ineffassign -E dupl -E golint -E gotype -E errcheck -E varcheck -E interfacer -E goconst -E gosimple -E staticcheck -E unused -E gofmt -E goimports -E misspell ./...
+	$(GOPATH)/bin/gometalinter.v1 --vendored-linters --sort=path --exclude="bindata*" --exclude "vendor" --min-confidence=0.3 --dupl-threshold=70 --deadline 1m --disable-all -E structcheck -E aligncheck -E deadcode -E ineffassign -E dupl -E golint -E gotype -E errcheck -E varcheck -E interfacer -E goconst -E gosimple -E staticcheck -E unused -E gofmt -E goimports -E misspell ./...
 
 test: clean fetch generate
 	@echo "\n\033[0;36m [ Running SHORT tests ]\033[0;m"