Fix typo in docs

site/content/docs/02-template-syntax.md

@@ -785,7 +785,7 @@ transition = (node: HTMLElement, params: any) => {
 
 A transition is triggered by an element entering or leaving the DOM as a result of a state change.
 
-Elements inside an *outroing* block are kept in the DOM until all current transitions have completed.
+Elements inside an *outgoing* block are kept in the DOM until all current transitions have completed.
 
 The `transition:` directive indicates a *bidirectional* transition, which means it can be smoothly reversed while the transition is in progress.