Updated README.

README.md

@@ -1,13 +1,22 @@
 # fetcher
 
-A QNX process for fetching data from sensors over I2C.
-
-**NOTE:** This program is currently in a dummy format: it is being used to read data from a file and repeat it over
-stdin. This is used for testing [packager][packager].
+A process for fetching data from sensors using the I2C protocol.
 
 ## Usage
 
-See the help documentation with the command: `use fetcher`
+See the help documentation with the command: `use fetcher`.
+
+The output of fetcher looks like:
+
+```console
+Time: 1295 ms
+Temperature: 25.02 C
+Pressure: 99.94 kPa
+...
+```
+
+All sensor data output is printed in plain-text, with its type specifier (i.e. temperature), its value and its unit.
 
 <!--- Links --->
-[packager]: https://github.com/CarletonURocketry/packager 
+
+[packager]: https://github.com/CarletonURocketry/packager