diff --git a/guidelines/index.md b/guidelines/index.md
index f422ff1b..d0222572 100644
--- a/guidelines/index.md
+++ b/guidelines/index.md
@@ -38,7 +38,7 @@ See other orientation [guides](/guides/#background-orientation).
 ## Development management
 
 - [Release procedures](/guidelines/release-procedures/).
-- [Officially Supported Technologies](https://wiki.folio.org/display/TC/Officially+Supported+Technologies) for each upcoming release.
+- [Officially Supported Technologies](https://wiki.folio.org/display/TC/Officially+Supported+Technologies) for each upcoming release (also known as Approved Technologies).
 - FOLIO Technical Council ([TC](/reference/glossary/#tc))
 and FOLIO Product Council ([PC](/reference/glossary/#pc)).
 - Each FOLIO Development [Team](https://wiki.folio.org/display/FOLIJET/Folio+Development+Teams+Home)
diff --git a/guides/developer-setup.md b/guides/developer-setup.md
index 62860b4f..31bb7430 100644
--- a/guides/developer-setup.md
+++ b/guides/developer-setup.md
@@ -27,9 +27,11 @@ and the [client-side](/source-code#client-side) Stripes toolkit.
 Note that some parts of the development environment could be handled using
 [folio-ansible](https://github.com/folio-org/folio-ansible) (virtual machines using Vagrant and Ansible).
 
+Be aware of the [Officially Supported Technologies](https://wiki.folio.org/display/TC/Officially+Supported+Technologies) for each upcoming release.
+
 Otherwise the development environment would need the following fundamental tools:
 
-* Apache Maven (3.3+) -- For building and deploying Okapi and some server-side modules.
+* Apache Maven (3.6+) -- For building and deploying Okapi and some server-side modules.
 * Node.js ([Active LTS version](https://github.com/nodejs/Release#release-schedule)) -- For Stripes and for some modules, and for UI testing.
 * Docker -- Recommended method for deployment.
 * PostgreSQL (12) -- For running an external database to support storage modules.
@@ -41,7 +43,7 @@ As each FOLIO component can utilise whatever suite of appropriate tools, refer t
 
 Occasionally it becomes necessary to specify minimum versions of some tools:
 
-* Java: [11](/faqs/how-to-specify-backend-java-ci/).
+* Java: [17](/faqs/how-to-specify-backend-java-ci/).
 * Postgres: [12](https://github.com/folio-org/raml-module-builder#postgresql-integration).
 
 ### Other tools