diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ee19188..31ec3fa2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ### 12.83.1
 
-* `[protip]` Disabling tips using environment vairable (`PROTIP=0`)
+* `[protip]` Disabling tips using environment variable (`PROTIP=0`)
 
 ### 12.83.0
 
diff --git a/usage/usage_test.go b/usage/usage_test.go
index dcc782d1..09a4b774 100644
--- a/usage/usage_test.go
+++ b/usage/usage_test.go
@@ -146,7 +146,7 @@ func (s *UsageSuite) TestUsage(c *C) {
 	c.Assert(info.GetOption("u:unknown").String(), Equals, "")
 }
 
-func (s *UsageSuite) TestDeattachedPrint(c *C) {
+func (s *UsageSuite) TestDetachedPrint(c *C) {
 	cmd := &Command{Name: "test", Desc: "Test command", ColorTag: "{#99}"}
 	opt := &Option{Long: "test", Short: "T", Desc: "Test option", ColorTag: "{#99}"}