diff --git a/src/core/lib/FileSignatures.mjs b/src/core/lib/FileSignatures.mjs
index a90137ce..ae65a95b 100644
--- a/src/core/lib/FileSignatures.mjs
+++ b/src/core/lib/FileSignatures.mjs
@@ -3177,6 +3177,8 @@ export function extractOLE2(bytes, offset) {
 
         // If we have found a valid entry, move forwards by 128.
         if (found) {
+
+            // Every entry is at least 128 in size, some are bigger which is dealt with by the above if statement.
             total += 128;
             stream.moveForwardsBy(128);
         }