chore: add changelog for #1764

CHANGELOG.md

@@ -10,6 +10,8 @@
 - Updated minimum required Go version to 1.22 (#1758 by @pd93).
 - Expose a new `EXIT_CODE` special variable on `defer:` when a command finishes
   with a non-zero exit code (#1484, #1762 by @dorimon-1 and @andreynering).
+- Expose a new `ALIAS` special variable, which will contain the alias used to
+  call the current task. Falls back to the task name. (#1764 by @DanStory).
 
 ## v3.38.0 - 2024-06-30
 

website/docs/reference/templating.mdx

@@ -107,7 +107,7 @@ special variable will be overridden.
 | `CLI_SILENT`       | A boolean containing whether the `--silent`  flag was set.                                                                                               |
 | `CLI_VERBOSE`      | A boolean containing whether the `--verbose`  flag was set.                                                                                              |
 | `TASK`             | The name of the current task.                                                                                                                            |
-| `ALIAS`            | The alias used for the current task, otherwise matches `TASK`                                                                                            |
+| `ALIAS`            | The alias used for the current task, otherwise matches `TASK`.                                                                                           |
 | `TASK_EXE`         | The Task executable name or path.                                                                                                                        |
 | `ROOT_TASKFILE`    | The absolute path of the root Taskfile.                                                                                                                  |
 | `ROOT_DIR`         | The absolute path of the root Taskfile directory.                                                                                                        |