fix(docs): Correct default rollForward policy in global.json documentation

docs/core/tools/global-json.md

@@ -188,7 +188,7 @@ The following rules apply when determining which version of the SDK to use:
 - If a *global.json* file is found that doesn't specify an SDK version but it specifies an `allowPrerelease` value, the highest installed SDK version is used (equivalent to setting `rollForward` to `latestMajor`). Whether the latest SDK version can be release or prerelease depends on the value of `allowPrerelease`. `true` indicates prerelease versions are considered; `false` indicates that only release versions are considered.
 - If a *global.json* file is found and it specifies an SDK version:
 
-  - If no `rollForward` value is set, it uses `latestPatch` as the default `rollForward` policy. Otherwise, check each value and their behavior in the [rollForward](#rollforward) section.
+  - If no `rollForward` value is set, it uses `patch` as the default `rollForward` policy. Otherwise, check each value and their behavior in the [rollForward](#rollforward) section.
   - Whether prerelease versions are considered and what's the default behavior when `allowPrerelease` isn't set is described in the [allowPrerelease](#allowprerelease) section.
 
 ## Troubleshoot build warnings