diff --git a/scripts/bump-spin-formula.sh b/scripts/bump-spin-formula.sh
index 50cbdeb..f81d062 100755
--- a/scripts/bump-spin-formula.sh
+++ b/scripts/bump-spin-formula.sh
@@ -11,37 +11,41 @@ SED_INPLACE='sed -i.bak'
 trap 'rm checksums.txt **/*.bak &>/dev/null' EXIT
 
 usage() {
-    echo "Usage: $0 <VERSION> [<FORMULA_PATH>]"
-    echo "Updates the Spin Formula for the specified release version"
-    echo "Example: $0 v3.0.0"
+  echo "Usage: $0 <VERSION> [<FORMULA_PATH>]"
+  echo "Updates the Spin Formula for the specified release version"
+  echo "Example: $0 v3.0.0"
 }
 
-if [ $# -ne 1 ]; then
-    usage
-    exit 1
+if [[ $# -ne 1 ]]
+then
+  usage
+  exit 1
 fi
 
 # Ensure version is prefixed with 'v' and an 'official' release
-if [[ ! "${VERSION}" =~ ^v[0-9]+.[0-9]+.[0-9]+$ ]]; then
-    echo "VERSION doesn't match v[0-9]+.[0-9]+.[0-9]+ and may be a prerelease; skipping."
-    exit 1
+if [[ ! "${VERSION}" =~ ^v[0-9]+.[0-9]+.[0-9]+$ ]]
+then
+  echo "VERSION doesn't match v[0-9]+.[0-9]+.[0-9]+ and may be a prerelease; skipping."
+  exit 1
 fi
 
 # Get the checksum file for the release
-wget -qO checksums.txt "https://github.com/fermyon/spin/releases/download/$VERSION/checksums-$VERSION.txt" || \
-    (echo "Checksum file not found for version $VERSION" && exit 1)
+wget -qO checksums.txt "https://github.com/fermyon/spin/releases/download/${VERSION}/checksums-${VERSION}.txt" ||
+  (echo "Checksum file not found for version ${VERSION}" && exit 1)
 
 # Remove the 'v' prefix from the version
 ERSION="${VERSION:1}"
-$SED_INPLACE -e "s/version \"[^\"]*\"/version \"$ERSION\"/" $FORMULA
+${SED_INPLACE} -e "s/version \"[^\"]*\"/version \"${ERSION}\"/" "${FORMULA}"
 # Update the sha256 checksums for each OS/Arch
-while read -r line; do
-    filename=$(echo "$line" | awk '{print $2}')
-    sha256=$(echo "$line" | awk '{print $1}')
-    os_arch=$(echo ${filename} | sed "s/spin-v${ERSION}-//g")
-    if grep -q "$os_arch" $FORMULA; then
-        $SED_INPLACE -E "/url \".*$os_arch\"/ { n; s/sha256 \"[^\"]*\"/sha256 \"$sha256\"/; }" $FORMULA
-    fi
-done < checksums.txt
-
-echo "Formula updated to version $VERSION with new checksums."
+while read -r line
+do
+  filename=$(echo "${line}" | awk '{print $2}')
+  sha256=$(echo "${line}" | awk '{print $1}')
+  os_arch="${filename//spin-v${ERSION}-/}"
+  if grep -q "${os_arch}" "${FORMULA}"
+  then
+    ${SED_INPLACE} -E "/url \".*${os_arch}\"/ { n; s/sha256 \"[^\"]*\"/sha256 \"${sha256}\"/; }" "${FORMULA}"
+  fi
+done <checksums.txt
+
+echo "Formula updated to version ${VERSION} with new checksums."