diff --git a/README.md b/README.md
index 227831e..059c74b 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ I add my Pi Pico (RP2040) stuff here. There are complete [apps](/apps) and [libr
 - [BMP180](/lib/bmp1880): Header-only library for the BMP180 atmospheric pressure sensor.
 
 ## Apps
-- [PiccoloSDR](/apps/piccolosdr): A primited direct-sampling SDR.
+- [PiccoloSDR](/apps/piccolosdr): A primitive direct-sampling SDR.
 - [ADC DMA Chain](/apps/adc_dma_chain): Chained DMA data acquisition from the ADC.
 - [Barometer](/apps/barometer): Barometer polling the temperature and atmospheric pressure from a BMP180.
 - [Iperf Server](/apps/iperf_server): A tool to measure the performance of the TinyUSB's TCP/IP stack over USB.
diff --git a/apps/README.md b/apps/README.md
index 076e20c..a8cb28d 100644
--- a/apps/README.md
+++ b/apps/README.md
@@ -1,7 +1,7 @@
 # Pico Apps
 These are sample applications with various purposes.
 
-- [PiccoloSDR](/apps/piccolosdr): A primited direct-sampling SDR.
+- [PiccoloSDR](/apps/piccolosdr): A primitive direct-sampling SDR.
 - [ADC DMA Chain](/apps/adc_dma_chain): Chained DMA data acquisition from the ADC.
 - [Barometer](/apps/barometer): Barometer polling the temperature and atmospheric pressure from a BMP180.
 - [Iperf Server](/apps/iperf_server): A tool to measure the performance of the TinyUSB's TCP/IP stack over USB.