diff --git a/calc_sri_fix.sh b/calc_sri_fix.sh
old mode 100755
new mode 100644
index e5e2cbd0..cfc47292
--- a/calc_sri_fix.sh
+++ b/calc_sri_fix.sh
@@ -2,6 +2,7 @@
 
 set -euo pipefail
 
+# calculate_sri downloads the given URL, computes the SHA-384 SRI hash of its content (base64) and echoes a line "<url> sha384-<base64_hash>".
 calculate_sri() {
     url="$1"
     temp_file=$(mktemp)
@@ -25,4 +26,4 @@ calculate_sri() {
 }
 
 calculate_sri "https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/line-numbers/prism-line-numbers.min.js"
-calculate_sri "https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/toolbar/prism-toolbar.min.js"
+calculate_sri "https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/toolbar/prism-toolbar.min.js"
\ No newline at end of file