chore: bump version to 4.0.4

Create release containing typo fixes (#580).

README.md

@@ -98,7 +98,7 @@ install the community-sourced cheatsheets the first time you run `cheat`.
 Cheatpaths
 ----------
 Cheatsheets are stored on "cheatpaths", which are directories that contain
-cheetsheets. Cheatpaths are specified in the `conf.yml` file.
+cheatsheets. Cheatpaths are specified in the `conf.yml` file.
 
 It can be useful to configure `cheat` against multiple cheatpaths. A common
 pattern is to store cheatsheets from multiple repositories on individual

cmd/cheat/main.go

@@ -17,7 +17,7 @@ import (
 	"github.com/cheat/cheat/internal/installer"
 )
 
-const version = "4.0.3"
+const version = "4.0.4"
 
 func main() {
 

internal/sheets/tags_test.go

@@ -9,7 +9,7 @@ import (
 	"github.com/cheat/cheat/internal/sheet"
 )
 
-// TestTags asserts that cheetsheet tags are properly returned
+// TestTags asserts that cheatsheet tags are properly returned
 func TestTags(t *testing.T) {
 
 	// mock cheatsheets available on multiple cheatpaths