Merge pull request #132 from shawnps/patch-1

fix typos

internal/common/common.go

@@ -186,7 +186,7 @@ func mustParseFloat64(val string) float64 {
 	return vv
 }
 
-// StringsHas checks the target string slice containes src or not
+// StringsHas checks the target string slice contains src or not
 func StringsHas(target []string, src string) bool {
 	for _, t := range target {
 		if strings.TrimSpace(t) == src {
@@ -236,7 +236,7 @@ func PathExists(filename string) bool {
 	return false
 }
 
-//GetEnv retreives the environment variable key. If it does not exist it returns the default.
+//GetEnv retrieves the environment variable key. If it does not exist it returns the default.
 func GetEnv(key string, dfault string, combineWith ...string) string {
 	value := os.Getenv(key)
 	if value == "" {