Clarify roles of public & private keys

Author: harlantwood

playground/index.html

@@ -252,13 +252,13 @@ <h3>
             </div>
 
             <div id="privatekey-koblitz-div" class="span6">
-              <h3>Bitcoin Private Key (ECDSA Koblitz)</h3>
+              <h3>Bitcoin (ECDSA Koblitz) Private Key for Signing</h3>
               <textarea id="privatekey-koblitz" class="compressed process span6 codemirror-input"
-                placeholder="Enter your Bitcoin (koblitz) private key here..." rows="3">L4mEi7eEdTNNFQEWaa7JhUKAbtHdVvByGAqvpJKC53mfiqunjBjw</textarea>
+                placeholder="Enter your Bitcoin (Koblitz) private key here..." rows="3">L4mEi7eEdTNNFQEWaa7JhUKAbtHdVvByGAqvpJKC53mfiqunjBjw</textarea>
 
-              <h3>Bitcoin Public Key (ECDSA Koblitz)</h3>
+              <h3>Bitcoin (ECDSA Koblitz) Public Key for Verification</h3>
               <textarea id="publickey-koblitz" class="compressed process span6 codemirror-input"
-                placeholder="Enter your Bitcoin (koblitz) public key here..." rows="3">1LGpGhGK8whX23ZNdxrgtjKrek9rP4xWER</textarea>
+                placeholder="Enter your Bitcoin (Koblitz) public key here..." rows="3">1LGpGhGK8whX23ZNdxrgtjKrek9rP4xWER</textarea>
 
               <div class="koblitz-verification"></div>
             </div>