diff --git a/README.md b/README.md
index 2767f0f7..e6772f2a 100644
--- a/README.md
+++ b/README.md
@@ -35,9 +35,9 @@ For information regarding locally cached versions of Node.js on GitHub hosted ru
 
 ### Supported version syntax
 
-The `node-version` input supports the following values:
+The `node-version` input supports the following formats:
 
- - Major versions: `14`, `16`, `18`
+ - Major versions: `12`, `14`, `16`
  - More specific versions: `10.15`, `14.2.0`, `16.3.0`
  - NVM LTS syntax: `lts/erbium`, `lts/fermium`, `lts/*`, `lts/-n`
  - Latest release: `*` or `latest`/`current`/`node`