diff --git a/lib_xua/src/core/pdm_mics/pdm_mic.xc b/lib_xua/src/core/pdm_mics/pdm_mic.xc
index 1007cb42..e380e171 100644
--- a/lib_xua/src/core/pdm_mics/pdm_mic.xc
+++ b/lib_xua/src/core/pdm_mics/pdm_mic.xc
@@ -20,12 +20,11 @@
 
 #define MAX_DECIMATION_FACTOR (96000/(MIN_FREQ/AUD_TO_MICS_RATIO))
 
-/* Hardware resources */
+/* Hardware resources - declated in main.xc */
 extern in port p_pdm_clk;
 
 extern in buffered port:32 p_pdm_mics;
 
-/* Delcared in main.xc */
 extern clock clk_pdm;
 
 #ifndef MIC_BUFFER_DEPTH