diff --git a/README.md b/README.md
index cf0517c..f3a04fc 100644
--- a/README.md
+++ b/README.md
@@ -25,4 +25,4 @@ A library for digital signals processing in the spirit of GNU Radio.
 * A clear strategy for optional output streams.
 * SymbolSync block at least have the right API.
 * Example AX.25 KISS modem written.
-* Add cargo-semver-checks to pre-commit or bump-version?
+* Merge the WIP `more-input` branch.
diff --git a/extra/bump_version.sh b/extra/bump_version.sh
index 7dc1bf1..b4205f5 100755
--- a/extra/bump_version.sh
+++ b/extra/bump_version.sh
@@ -1,4 +1,10 @@
 #!/usr/bin/env bash
+#
+# Automate bumping version and publishing.
+#
+# Running without args bumps the patch level version.
+# Alternatively, provide the new version as the first arg.
+#
 set -ueo pipefail
 
 # Check that client is clean.
@@ -7,18 +13,17 @@ set -ueo pipefail
     exit 1
 }
 
+# Provide the new version.
 CURRENT="$(awk '/^version/ {print $3}' Cargo.toml | head -1 | sed 's/"//g')"
-if [[ "${1:-}" = "" ]]; then
-    NEW="$(echo $CURRENT | awk -F. '{print $1 "." $2 "." $3+1}')"
-else
-    NEW="$1"
-fi
+AUTO_NEW_VERSION="$(echo $CURRENT | awk -F. '{print $1 "." $2 "." $3+1}')"
+NEW="${1:-$AUTO_NEW_VERSION}"
 echo "Current: '$CURRENT', New: '$NEW'"
 sed -i "s/^version = \"${CURRENT?}\"/version = \"${NEW?}\"/" Cargo.toml
 sed -i -r 's/^(rustradio_macros.*version = ")[0-9.]+(".*)/\1'"${NEW}"'\2/' Cargo.toml
 sed -i "s/^version = \"${CURRENT?}\"/version = \"${NEW?}\"/" rustradio_macros/Cargo.toml
 
 # At least one of these should update Cargo.locks, I hope.
+# This of course in addition to running the tests one more time.
 cargo build
 cargo test
 (
@@ -27,12 +32,16 @@ cargo test
         cargo test
 )
 
-echo "Run E2E tests"
+echo "=== Run E2E tests ==="
 cargo test -- --ignored
 
-git commit -a -m"Bump version to ${NEW?}"
+echo "=== Run semver checks ==="
 cargo semver-checks
+
+echo "=== Commit, tag, and push ==="
+git commit -a -m"Bump version to ${NEW?}"
 git tag "v${NEW?}"
 git push
 git push --tags
-(cd rustradio_macros/ && cargo publish) && cargo publish
+(cd rustradio_macros/ && cargo publish)
+cargo publish