diff --git a/windows/src/README.md b/windows/src/README.md
index fad08256ae..6141246fa1 100644
--- a/windows/src/README.md
+++ b/windows/src/README.md
@@ -3,7 +3,7 @@
 ## Build Prerequisites
 
 1. Install [VS2017 Community Edition](#visual-studio-2017-community-edition-setup-requirements).
-2. Install [Delphi 10.2 or Delphi 10.3](#delphi-setup-requirements).
+2. Install [Delphi 10.3](#delphi-setup-requirements).
 3. Install [git](https://git-scm.com/download/win).
 4. Install [nodejs](https://nodejs.org/en/download/).
 5. Follow steps in /web/README.md to install prerequisites for building KeymanWeb (included in Keyman Developer)
@@ -109,8 +109,10 @@ Install Delphi using the following options:
 * No other 3rd party components required
 * No Interbase components required
 
-Delphi 10.3 is supported by default. For Delphi 10.2, set the environment variable
-`DELPHI_VERSION=19.0`. This variable can also be added to your `UserDefines.mak`.
+Delphi 10.3 is supported by default. Delphi 10.2 is no longer supported.
+(The environment variable `DELPHI_VERSION=19.0` is still possible, but there are 
+some dependencies on 10.3 which we have not fixed. This variable can also be 
+added to your `UserDefines.mak`.)
 
 ## Environment Variables