- /* It's very likely the SHA1 message digest of the metadata resource, so
- * re-insert the lookup table entry into the lookup table. */
+ /* It's very likely the SHA1 message digest of the metadata resource
+ * changed, so re-insert the lookup table entry into the lookup table.
+ *
+ * We do not check for other lookup table entries having the same SHA1
+ * message digest. It's possible for 2 absolutely identical images to
+ * be added, therefore causing 2 identical metadata resources to be in
+ * the WIM. However, in this case, it's expected for 2 separate lookup
+ * table entries to be created, even though this doesn't make a whole
+ * lot of sense since they will share the same SHA1 message digest.
+ * */