diff --git a/CHANGES-3.3 b/CHANGES-3.3
index 9debfc8d8..06c058742 100644
--- a/CHANGES-3.3
+++ b/CHANGES-3.3
@@ -19,6 +19,10 @@ large. Configuration files from previous versions of Calamares will
 **certainly** need to be re-validated. Take heed of the many changes
 in the *Modules* heading, below.
 
+Users (distributions) are **strongly** advised to use the tools
+for configuration validation (`ci/configvalidator.py`) to check
+that the distribution configuration files follow the current schema.
+
 ## Project ##
  - The C++ code in the project is now formatted with clang-format 12 or 13,
    with the coding-style as found in `.clang-format`; there are minor
@@ -47,8 +51,12 @@ in the *Modules* heading, below.
  - *bootloader* now supports more options when building the kernel
    command-line. (Thanks Evan)
  - *displaymanager* no longer supports the discontinued *kdm* display manager.
+ - *fstab* configuration has been completely re-done. Many configuration
+   options have moved to the *mount* module. See #1993
  - *grubcfg* changed the key *keepDistributor* to *keep_distributor*.
    Please update configurations.
+ - *mount* now does most of the mounting; options that were in *fstab*
+   have moved here. See #1993
  - *partition* requires KPMCore 21.12 (e.g. KPMCore 4.2 API, or later).
  - *partition* can now skip installing the bootloader in more scenarios.
    #1632 (Thanks Anubhav)