Correct spelling for PKCS7 and ISO 1012-2 (TheAlgorithms#411)

Author: Kalkwst

README.md

@@ -21,9 +21,9 @@ find more than one implementation for the same objective but using different alg
 * [Algorithms](./Algorithms)
   * [Crypto](./Algorithms/Crypto/)
     * [Paddings](./Algorithms/Crypto/Paddings/)
-      * [ISO-10125d2 Padding](./Algorithms/Crypto/Paddings/ISO10126d2Padding.cs)
+      * [ISO 10125-2 Padding](./Algorithms/Crypto/Paddings/ISO10126d2Padding.cs)
       * [ISO 7816-4 Padding](./Algorithms/Crypto/Paddings/ISO7816d4Padding.cs)
-      * [PKC7 Padding](./Algorithms/Crypto/Paddings/PKCS7Padding.cs) 
+      * [PKCS7 Padding](./Algorithms/Crypto/Paddings/PKCS7Padding.cs) 
   * [Data Compression](./Algorithms/DataCompression)
     * [Burrows-Wheeler transform](./Algorithms/DataCompression/BurrowsWheelerTransform.cs)
     * [Huffman Compressor](./Algorithms/DataCompression/HuffmanCompressor.cs)