controlledframe: Replay the fix from https://crrev.com/c/5954809

A fix was in place to address back markdown previously that my last
change overwrote. Replay that fix.

Bug: 302005925, 304604273, 40191772
Change-Id: If305be5c612e50ca2a512e42cabda54e57a45c7d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5985132
Commit-Queue: Chase Phillips <[email protected]>
Reviewed-by: Robbie McElrath <[email protected]>
Auto-Submit: Chase Phillips <[email protected]>
Commit-Queue: Robbie McElrath <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1376992}
diff --git a/docs/process_model_and_site_isolation.md b/docs/process_model_and_site_isolation.md
index 365eeac..2971a8de 100644
--- a/docs/process_model_and_site_isolation.md
+++ b/docs/process_model_and_site_isolation.md
@@ -443,7 +443,7 @@
     and the app's own `data:` or `chrome-extension://` URLs, but not URLs from
     other extensions or apps. The IWA
     [&lt;controlledframe&gt;](/chrome/common/controlled_frame/README.md) tag is built
-    on top of the '<webview>' tag's implementation and exposed to contexts
+    on top of the `<webview>` tag's implementation and exposed to contexts
     that meet the proper security and isolation requirements, such as IWAs that
     provide IsolatedContexts. See the
     [Isolated Contexts spec](https://wicg.github.io/isolated-web-apps/isolated-contexts)