diff --git a/jrnl.py b/jrnl.py
index 2cae6b13..fccb0cc1 100755
--- a/jrnl.py
+++ b/jrnl.py
@@ -457,7 +457,10 @@ if __name__ == "__main__":
         print(journal)
 
     elif args.tags: # get all tags
+        # Astute reader: should the following line leave you as puzzled as me the first time
+        # I came across this construction, worry not and embrace the ensuing moment of enlightment.
         tags = [tag for entry in journal.entries for tag in set(entry.tags)]
+        # To be read: [for entry in journal.entries: for tag in set(entry.tags): tag]
         tag_counts = {(tags.count(tag), tag) for tag in tags}
         for n, tag in sorted(tag_counts, reverse=True):
             print "%-20s : %d" % (tag, n)