diff --git a/include/libopencm3/cm3/doc-cm3.h b/include/libopencm3/cm3/doc-cm3.h
index 6f9392f6..1924b178 100644
--- a/include/libopencm3/cm3/doc-cm3.h
+++ b/include/libopencm3/cm3/doc-cm3.h
@@ -21,6 +21,6 @@ LGPL License Terms @ref lgpl_license
 */
 
 /** @defgroup CM3_files Cortex Core Peripheral APIs
- * APIs for Coretex Core peripherals
+ * APIs for Cortex Core peripherals
  */