Documentation: HID: hid-alps editing & corrections

Do basic editing & correction to hid-alps.rst:
- fix grammar
- fix punctuation spacing

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: linux-input@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: linux-doc@vger.kernel.org
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

Documentation/hid/hid-alps.rst

@@ -64,7 +64,7 @@ Case2	ReportID_3	TP	Absolute
 
 Command Read/Write
 ------------------
-To read/write to RAM, need to send a commands to the device.
+To read/write to RAM, need to send a command to the device.
 
 The command format is as below.
 
@@ -80,7 +80,7 @@ Byte6	Value Byte
 Byte7	Checksum
 =====	======================
 
-Command Byte is read=0xD1/write=0xD2 .
+Command Byte is read=0xD1/write=0xD2.
 
 Address is read/write RAM address.