diff --git a/src/dotnet/devcontainer-feature.json b/src/dotnet/devcontainer-feature.json
index cff97dc..98d1837 100644
--- a/src/dotnet/devcontainer-feature.json
+++ b/src/dotnet/devcontainer-feature.json
@@ -14,12 +14,12 @@
                 "3"
             ],
             "default": "latest",
-            "description": "Version of .NET to install. Use 'latest' to install the latest LTS version."
+            "description": "Version of .NET to install. Use 'latest' for the latest LTS version, 'X' for the latest of a major version, or 'X.Y.Z' for a specific version."
         },
         "additionalVersions": {
             "type": "string",
             "default": "",
-            "description": "Comma-separated list of additional .NET versions to install."
+            "description": "Comma-separated list of additional .NET versions to install. Use 'latest' for the latest LTS version, 'X' for the latest of a major version, or 'X.Y.Z' for a specific version."
         },
         "runtimeOnly": {
             "type": "boolean",