update OpenWRT makefile

README.md

@@ -157,7 +157,7 @@ Please keep in mind that the Docker image doesn't include _FFmpeg_. if you need
 5. Transfer the .ipk file from `bin/packages/*/base` to the OpenWRT system and install it with:
 
    ```
-   opkg install [ipkg-file-name].ipk
+   opkg install [ipk-file-name].ipk
    ```
 
 ## Basic usage

openwrt.mk

@@ -29,7 +29,7 @@ define Package/rtsp-simple-server
 endef
 
 define Package/rtsp-simple-server/description
-  ready-to-use and zero-dependency server and proxy that allows users to publish, read and proxy live video and audio streams through various protocols
+  ready-to-use server and proxy that allows users to publish, read and proxy live video and audio streams through various protocols
 endef
 
 $(eval $(call GoBinPackage,rtsp-simple-server))