diff --git a/zephyr/lib/alloc.c b/zephyr/lib/alloc.c
index 946a07b9124a..a9521a8b6a27 100644
--- a/zephyr/lib/alloc.c
+++ b/zephyr/lib/alloc.c
@@ -19,6 +19,7 @@
 #include <rtos/symbol.h>
 #include <rtos/wait.h>
 
+
 #define SHARED_BUFFER_HEAP_MEM_SIZE	0
 
 #if CONFIG_VIRTUAL_HEAP
@@ -213,7 +214,7 @@ static inline size_t get_l3_heap_size(void)
 {
 	 /*
 	  * Calculate the IMR heap size using:
-	  * - total IMR size
+	  * - total IMR size (dynamically detected by ace_imr_get_mem_size())
 	  * - IMR base address
 	  * - actual IMR heap start
 	  */