fixup! HMAC_DRBG: support set_entropy_len() before seed()
diff --git a/include/mbedtls/hmac_drbg.h b/include/mbedtls/hmac_drbg.h
index 8ac227c..00be9df 100644
--- a/include/mbedtls/hmac_drbg.h
+++ b/include/mbedtls/hmac_drbg.h
@@ -139,7 +139,7 @@
* Note that SHA-256 is just as efficient as SHA-224.
* The security strength can be reduced if a smaller
* entropy length is set with
- * mbedtls_hmac_drbg_set_entropy_len() afterwards.
+ * mbedtls_hmac_drbg_set_entropy_len().
*
* \note The default entropy length is the security strength
* (converted from bits to bytes). You can override
@@ -222,14 +222,9 @@
/**
* \brief This function sets the amount of entropy grabbed on each
- * reseed.
+ * seed or reseed.
*
- * The default value is set by mbedtls_hmac_drbg_seed().
- *
- * \note mbedtls_hmac_drbg_seed() always sets the entropy length
- * to the default value based on the chosen MD algorithm,
- * so this function only has an effect if it is called
- * after mbedtls_hmac_drbg_seed().
+ * See the documentation of mbedtls_hmac_drbg_seed() for the default value.
*
* \param ctx The HMAC_DRBG context.
* \param len The amount of entropy to grab, in bytes.