diff --git a/plugins/common/common.go b/plugins/common/common.go
index c99d38f67..ba65b484a 100644
--- a/plugins/common/common.go
+++ b/plugins/common/common.go
@@ -461,7 +461,7 @@ func DockerContainerCreate(image string, containerCreateArgs []string) (string,
 	return string(b[:]), nil
 }
 
-// DockerInspect runs an inspect command with a given format against a container id
+// DockerInspect runs an inspect command with a given format against a container or image ID
 func DockerInspect(containerOrImageID, format string) (output string, err error) {
 	b, err := sh.Command(DockerBin(), "inspect", "--format", format, containerOrImageID).Output()
 	if err != nil {