diff --git a/README.md b/README.md
index 259b1f3..2ed3bbb 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ b-parasite is an open source Bluetooth Low Energy (BLE) soil moisture and ambien
 
 # Features
 * Soil moisture sensor. I wrote about how capacitive soil moisture sensors works on [this Twitter thread](https://twitter.com/rbaron_/status/1367182806368071685), based on [this great post](https://wemakethings.net/2012/09/26/capacitance_measurement/) on wemakethings.net
-* Air temperature and humity sensor using a [Sensirion's SHTC3](https://www.sensirion.com/en/environmental-sensors/humidity-sensors/digital-humidity-sensor-shtc3-our-new-standard-for-consumer-electronics/)
+* Air temperature and humidity sensor using a [Sensirion's SHTC3](https://www.sensirion.com/en/environmental-sensors/humidity-sensors/digital-humidity-sensor-shtc3-our-new-standard-for-consumer-electronics/)
 * Light sensor using an [ALS-PT19](https://everlighteurope.com/ambient-light-sensors/7/ALSPT19315CL177TR8.html) phototransistor
 * Powered by a common CR2032 coin cell, with a battery life of possibly over a year - see "Battery Life" below
 * Open hardware and open source design
diff --git a/code/b-parasite/README.md b/code/b-parasite/README.md
index c33c549..b67220a 100644
--- a/code/b-parasite/README.md
+++ b/code/b-parasite/README.md
@@ -1,6 +1,6 @@
 # Overview
 
-This is the b-parasite formware based on Nordic's [nRF5 SDK](https://infocenter.nordicsemi.com/index.jsp?topic=%2Fstruct_sdk%2Fstruct%2Fsdk_nrf5_latest.html&cp=7_1).
+This is the b-parasite firmware based on Nordic's [nRF5 SDK](https://infocenter.nordicsemi.com/index.jsp?topic=%2Fstruct_sdk%2Fstruct%2Fsdk_nrf5_latest.html&cp=7_1).
 
 It uses Nordic's SoftDevice, which should additionally be flashed to the chip before running our firmware.
 
@@ -13,7 +13,7 @@ The b-parasite specific configuration, such as active/sleep time  and transmitti
 ```bash
 # Flash softdevice
 $ SDK_ROOT=~/dev/nrf52/sdk/nRF5_SDK_17.0.2_d674dde make flash_softdevice
-# Compile annd flash our firmware
+# Compile and flash our firmware
 $ SDK_ROOT=~/dev/nrf52/sdk/nRF5_SDK_17.0.2_d674dde make flash
 ```