final history prep for 2.1.1 release

docs/history.md

@@ -115,9 +115,9 @@ Release           | What                                   | *When*
 **NOTE**: This release is a **non-breaking change** _(i.e. no prior
 API was impacted)_.
 
-1. **Added**: The {{book.guide.playfulFeaturesVideo}} was added ... a
+1. **Added**: The [`Playful Features Video`](../2.1.1/presentation.html) was added ... a
    **feature-u** presentation that builds concepts, and demonstrates them
-   in a real world app ({{book.ext.eateryNodW}}).
+   in a real world app ([`eatery-nod-w`](https://github.com/KevinAst/eatery-nod-w)).
 
 2. **Security**: Address potential security vulnerabilities in dependent libs
    (mostly devDependencies completely unrelated to deployment)!
@@ -126,8 +126,8 @@ API was impacted)_.
 
    - Sample code for the app's mainline startup process was simplified
      by extracting `Aspect` plugin accumulation/configuration through
-     an `aspects/` directory (see: {{book.guide.usage_aspectAccumulation}}
-     and {{book.guide.usage_launchapp}}).  This is consistent with how
+     an `aspects/` directory (see: [`Aspect Accumulation`](../2.1.1/usage.html#aspect-accumulation)
+     and [`launchApp()`](../2.1.1/usage.html#launchapp)).  This is consistent with how
      features are accumulated.