diff --git a/HARDWARE.md b/HARDWARE.md
index c01d1af..5ffc10e 100644
--- a/HARDWARE.md
+++ b/HARDWARE.md
@@ -36,7 +36,7 @@ The above assumes that you've got a battery box and a regulator. A few things to
 
  - We power the whole thing directly on the 5V power rail. This is because of the TPL5110, which turns the device on and off automatically.
  - Because of the TPL5110, we have a 'timed power rail' and an 'untimed power rail', along with a shared ground.
- - Note that the GPS module is connected to the _untimed_ rail, as we really don't want to lose our GPS fix (as this would significantly delay us every time we take reading).
+ - Note that the GPS module is connected to the _untimed_ rail, as we really don't want to lose our GPS fix (as this would significantly delay us every time we take a reading).
 
 When you've constructed the circuit, insert the microSD card into the microSD card breakout board.
 
@@ -51,4 +51,4 @@ Once you've got the circuit built and tested, you'll want a box to put it in. Ju
  - `Housing.scad`, containing the box itself
  - `Lid.scad`, containing the lid
 
-It's supplied in 2 parts, to make 3D printing easier. Yur 3D printer probably takes a .STL file though, so you'll need to [export them](https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/STL_Export) in the correct format for printing.
\ No newline at end of file
+It's supplied in 2 parts, to make 3D printing easier. Yur 3D printer probably takes a .STL file though, so you'll need to [export them](https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/STL_Export) in the correct format for printing.