fix some misspells

Signed-off-by: kaiwentan <kaiwentan@harmonycloud.cn>

configuration/configuration.go

@@ -329,7 +329,7 @@ type Health struct {
 type v0_1Configuration Configuration
 
 // UnmarshalYAML implements the yaml.Unmarshaler interface
-// Unmarshals a string of the form X.Y into a Version, validating that X and Y can represent uints
+// Unmarshals a string of the form X.Y into a Version, validating that X and Y can represent unsigned integers
 func (version *Version) UnmarshalYAML(unmarshal func(interface{}) error) error {
 	var versionString string
 	err := unmarshal(&versionString)

context/doc.go

@@ -64,7 +64,7 @@
 // Note that this only affects the new context, the previous context, with the
 // version field, can be used independently. Put another way, the new logger,
 // added to the request context, is unique to that context and can have
-// request scoped varaibles.
+// request scoped variables.
 //
 // HTTP Requests
 //