sync with the meta-ohos content

documentation/source/quick-start/build-open-harmony.rst

@@ -67,7 +67,7 @@ MACHINE variable can be set up in *conf/local.conf* file under build directory o
 OHOS Linux flavour
 ====================
 
-OHOS Linux flavour is based on poky distribution.
+OHOS Linux flavour is based on poky distribution and supports following images or machines:
 
 **Supported images:**
 
@@ -120,7 +120,7 @@ or close qemu using key combination:
 OHOS Zephyr flavour
 ====================
 
-OHOS Zephyr flavour is based on zephyr distribution and supports following images / machines:
+OHOS Zephyr flavour is based on zephyr distribution and supports following images or machines:
 
 **Supported images:** 
 
@@ -162,7 +162,7 @@ To exit qemu, use key combination:
 OHOS FreeRTOS flavour
 ======================
 
-OHOS FreeRTOS flavour is based on freertos distribution and supports following images / machines:
+OHOS FreeRTOS flavour is based on freertos distribution and supports following images or machines:
 
 **Supported images:**