Fix typo and add script output to comments

Fixed a typo in the description comment and added
the script's output to the comment as well to have
the results saved somewhere.

jwt-decode.sh

@@ -17,7 +17,31 @@
 #
 # a solution with pure jq was provided where they replace characters which was found to be good.
 # It would be easy to replace the characters with sed, but I currently don't know if that really
-# gets around the problem with using bse64 from coreutils, so I keep both solutions here.
+# gets around the problem with using base64 from coreutils, so I keep both solutions here.
+#
+# At the time of initialization of this repo and thus this script the sed method prints more information
+# then the jq method
+# 1) sed method:
+#
+#{
+#  "alg": "HS256",
+#  "typ": "JWT"
+#}
+#{
+#  "sub": "1234567890",
+#  "name": "John Doe",
+#  "admin": true
+#}
+#
+#
+#2) Pure jq method
+#
+#{
+#  "sub": "1234567890",
+#  "name": "John Doe",
+#  "admin": true
+#}
+#
 
 JWT=${1:-eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.TJVA95OrM7E2cBab30RMHrHDcEfxjoYZgeFONFh7HgQ}