diff --git a/.gitea/workflows/docs.yml b/.gitea/workflows/docs.yml
index 25082ba..1f39848 100644
--- a/.gitea/workflows/docs.yml
+++ b/.gitea/workflows/docs.yml
@@ -25,8 +25,9 @@ jobs:
           pixi install --locked
           pixi run doc-build
 
-      - name: Flatten so the crate sits at the channel root
-        run: bash scripts/flatten-docs.sh
+      - name: Redirect the channel root to the crate page
+        run: |
+          printf '%s\n' "<!doctype html><meta http-equiv=\"refresh\" content=\"0; url=${CRATE}/\">" > target/doc/index.html
 
       - name: Publish the channel to /srv/www
         run: |
diff --git a/scripts/docs-banner.html b/scripts/docs-banner.html
index 5252c7c..8f203d5 100644
--- a/scripts/docs-banner.html
+++ b/scripts/docs-banner.html
@@ -1,7 +1,6 @@
-<div style="padding:.4rem .75rem;font:0.85rem/1.4 sans-serif;border-bottom:1px solid var(--border-color,#ddd);background:var(--sidebar-background-color,#f7f7f7);color:var(--main-color,#000)">
-  Docs channel:
-  <a id="ch-release" href="#" style="margin:0 .35rem">release</a>|
-  <a id="ch-nightly" href="#" style="margin:0 .35rem">nightly</a>
+<div id="cb-channel-switch" style="position:fixed;bottom:0.75rem;right:0.75rem;z-index:1000;padding:.3rem .6rem;font:0.8rem/1.3 sans-serif;border:1px solid var(--border-color,#ccc);border-radius:6px;background:var(--main-background-color,#fff);color:var(--main-color,#000);box-shadow:0 1px 4px rgba(0,0,0,.2)">
+  <a id="ch-release" href="#" style="margin:0 .25rem">release</a>|
+  <a id="ch-nightly" href="#" style="margin:0 .25rem">nightly</a>
   <script>
   (function () {
     var m = location.pathname.match(/^(.*\/)(release|nightly)\//);
diff --git a/scripts/flatten-docs.sh b/scripts/flatten-docs.sh
deleted file mode 100755
index 6f5dd34..0000000
--- a/scripts/flatten-docs.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/usr/bin/env bash
-# Flatten rustdoc output so the crate serves at the doc root rather than under
-# <crate>/. Moves the crate's pages up to the doc root and drops one ../ from
-# each page's references to the shared assets (CSS/JS, search index, source),
-# scaled to the page's depth.
-# Env: DOCROOT (default target/doc), CRATE (default coursebank).
-set -euo pipefail
-docroot="${DOCROOT:-target/doc}"
-crate="${CRATE:-coursebank}"
-[ -d "$docroot/$crate" ] || { echo "no $docroot/$crate; did you build the docs?" >&2; exit 1; }
-cp -a "$docroot/$crate/." "$docroot/"
-rm -rf "${docroot:?}/${crate:?}"
-resources='static\.files/\|crates\.js\|search-index\|search\.desc/\|src/\|settings\.html\|help\.html\|trait\.impl/\|type\.impl/'
-while IFS= read -r -d '' f; do
-  rel="${f#"$docroot"/}"
-  depth=$(printf '%s' "$rel" | tr -cd '/' | wc -c)
-  pat=''; for ((i=0; i<=depth; i++)); do pat="\\.\\./$pat"; done
-  rep=''; for ((i=0; i<depth;  i++)); do rep="../$rep"; done
-  sed -i "s#${pat}\(${resources}\)#${rep}\1#g" "$f"
-done < <(find "$docroot" -name '*.html' -print0)
-echo "flattened $crate into $docroot"
diff --git a/scripts/redirect-docs.sh b/scripts/redirect-docs.sh
index 33aa968..6f70a90 100755
--- a/scripts/redirect-docs.sh
+++ b/scripts/redirect-docs.sh
@@ -1,8 +1,15 @@
 #!/usr/bin/env bash
 # Point the site root at the latest release, falling back to nightly.
-# Env: WWW_ROOT (default /srv/www), SITE_SLUG (default coursebank).
+# rustdoc serves the crate under <crate>/, so the target includes that segment.
+# Env: WWW_ROOT (default /srv/www), SITE_SLUG (default coursebank),
+#      CRATE (default coursebank).
 set -euo pipefail
 root="${WWW_ROOT:-/srv/www}/${SITE_SLUG:-coursebank}"
-if [ -e "$root/release/index.html" ]; then target="release/"; else target="nightly/"; fi
+crate="${CRATE:-coursebank}"
+if [ -e "$root/release/$crate/index.html" ]; then
+  target="release/$crate/"
+else
+  target="nightly/$crate/"
+fi
 printf '%s\n' "<!doctype html><meta http-equiv=\"refresh\" content=\"0; url=${target}\">" > "$root/index.html"
 echo "site root -> $target"
diff --git a/src/lib.rs b/src/lib.rs
index 45ff95d..c1ff233 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -30,7 +30,7 @@
 //! ## The loop
 //!
 //! ```text
-//! author items ──▶ validate ──▶ lint ──▶ assemble ──▶ export ──┐
+//! author items ──▶ validate ──▶ lint ──▶ assemble ──▶ export ───┐
 //!      ▲                                                        │
 //!      │                                                   administer
 //!      │                                                        │
