Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Frank Karlitschek <karlitschek@users.noreply.github.com>

Author: karlitschek

src/components/ActivityHeatmap.vue

@@ -330,7 +330,7 @@ function select(from: string, to: string): void {
 }
 
 /**
- *
+ * Clear the current selection, emitting null for both bounds.
  */
 function clearSelection(): void {
 	emit('update:from', null)