document update

Author: clzoc

README.md

@@ -46,8 +46,8 @@ graph TD
 - `power_info`: Low-level SMC access for power metrics
 - `batt`: Advanced battery diagnostics (from [charlie0129/batt](https://github.com/charlie0129/batt))
 
-- 'power_info' cli call is replaced by directly invoke in Battery.swift and powerInfo.m
-- 'batt' cli call is replaced by Unix Domain Socket IPC method via Curl
+- `power_info` cli call is replaced by directly invoke in Battery.swift and powerInfo.m
+- `batt` cli call is replaced by Unix Domain Socket IPC method via Curl
 
 ## Requirements