diff --git a/src/sfizz.h b/src/sfizz.h
index 68c9a9e7..54558b0b 100644
--- a/src/sfizz.h
+++ b/src/sfizz.h
@@ -36,7 +36,9 @@ typedef enum {
 
 /**
  * @brief      Creates a sfizz synth. This object has to be freed by the caller
- *             using sfizz_free().
+ *             using sfizz_free(). The synth by default is set at 48 kHz
+ *             and a maximum block size of 1024. You should change these values
+ *             if they are not correct for your application.
  *
  * @return     sfizz_synth_t*
  */
diff --git a/src/sfizz.hpp b/src/sfizz.hpp
index e7f0f63d..25d2e932 100644
--- a/src/sfizz.hpp
+++ b/src/sfizz.hpp
@@ -24,6 +24,12 @@ class Synth;
 class SFIZZ_EXPORTED_API Sfizz
 {
 public:
+    /**
+     * @brief Construct a new Sfizz object. The synth by default is set at 48 kHz
+     * and a block size of 1024. You should change these values if they are not
+     * suited to your application.
+     *
+     */
     Sfizz();
     ~Sfizz();
     /**