Update README.md

Author: omaralalwi

README.md

@@ -159,7 +159,7 @@ if (!empty($prompt)) {
 - **Argument & Environment Validation** 🔍 Restricts unauthorized input.
 - **Timeout Control** ⏳ Prevents long-running scripts.
 - **black list** for these vars `PATH,PYTHONPATH,LD_LIBRARY_PATH,LD_PRELOAD,PYTHONHOME`, can not passed . 
-- **Uses `proc_close` as an alternative to `shell_exec`**.
+- **Uses `proc_open` as an alternative to `shell_exec`**.
 
 ### 🔧 Flexible Configuration
 - Centralized settings via `ConfigManager`.