core/tools: Clarify hid-bridge README.

core/tools/hid-bridge/README.md

@@ -6,9 +6,9 @@ Creates a virtual hid device which can be controlled by a user driver via a UDP
 
 You need Python 3.5 or higher.
 
-The uhid driver is required. If it is build as a module and not loaded, load it by `modprobe uhid`.
+The uhid driver is required. If it is built as a module and not loaded, load it by `modprobe uhid`.
 
-You must have read/write permission to the `/dev/uhid/` device as same as to the newly created `/dev/hidraw*` device. This may be accomplished by copying `50-hid-bridge.rules` into `/dev/udev/rules.d/`. You may need to reload the driver.
+You must have read/write permission to the `/dev/uhid/` device as well as to the newly created `/dev/hidraw*` device. This may be accomplished by copying `50-hid-bridge.rules` into `/etc/udev/rules.d/`. You may need to reload the driver afterwards.
 
 ## Usage
 
@@ -16,6 +16,6 @@ Run [Trezor emulator](https://github.com/trezor/trezor-core/blob/master/docs/emu
 
 ## Known issues
 
-Does not work with Firefox. Firefox closes hid devices on the lost of the focus.
+Does not work with Firefox. Firefox closes hid devices upon loss of focus.
 
-Does not work with the emulator in the debug mode since emulator doesn't start hid interface.
+Does not work with the emulator in debug mode since the emulator doesn't start the hid interface in debug mode.