diff --git a/ChangeLog.md b/ChangeLog.md
index 112d7b29..1d79b890 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -25,6 +25,18 @@ New features:
 
  - Package for FreeBSD is available now by Mahlon E. Smith.
  - New API functions to get/set various options (https://github.com/erthink/libmdbx/issues/128).
+    - the maximum number of named databases for the environment;
+    - the maximum number of threads/reader slots;
+    - threshold (since the last unsteady commit) to force flush the data buffers to disk;
+    - relative period (since the last unsteady commit) to force flush the data buffers to disk;
+    - limit to grow a list of reclaimed/recycled page's numbers for finding a sequence of contiguous pages for large data items;
+    - limit to grow a cache of dirty pages for reuse in the current transaction;
+    - limit of a pre-allocated memory items for dirty pages;
+    - limit of dirty pages for a write transaction;
+    - initial allocation size for dirty pages list of a write transaction;
+    - maximal part of the dirty pages may be spilled when necessary;
+    - minimal part of the dirty pages should be spilled when necessary;
+    - how much of the parent transaction dirty pages will be spilled while start each child transaction;
  - Unlimited/Dynamic size of retired and dirty page lists (https://github.com/erthink/libmdbx/issues/123).
  - Added `-p` option (purge subDB before loading) to `mdbx_load` tool.
  - Reworked spilling of large transaction and committing of nested transactions.
diff --git a/mdbx.h b/mdbx.h
index 91b520e3..d5c5ec99 100644
--- a/mdbx.h
+++ b/mdbx.h
@@ -1929,11 +1929,11 @@ enum MDBX_option_t {
    * should be spilled when reached the condition described above. */
   MDBX_opt_spill_min_denominator,
 
-  /** \brief Controls the in-process how part of the parent transaction dirty
+  /** \brief Controls the in-process how much of the parent transaction dirty
    * pages will be spilled while start each child transaction.
    *
    * \details The `MDBX_opt_spill_parent4child_denominator` defines the
-   * denominator to determine how part of parent transaction dirty pages will be
+   * denominator to determine how much of parent transaction dirty pages will be
    * spilled explicitly while start each child transaction.
    * Exactly `pages_to_spill = dirty_pages / N`,
    * where `N` is the value set by `MDBX_opt_spill_parent4child_denominator`.