Add explanation for SC payments

Author: mike76-dev

webportal/dashboard.html

@@ -711,6 +711,10 @@ <h2>Rather pay in Siacoin? No problem!</h2>
 							<label for="sc-address" class="content-label">Payment Address</label>
 							<input id="sc-address" class="input" type="text" readonly>
 							<button id="sc-generate" onclick="showAddress()">Show Address</button>
+                            <p>
+                                Your account will be credited after 6 network confirmations.
+                                You can watch the progress <span class="link" onclick="setActiveMenuIndex(5)">here</span>.
+                            </p>
 						</div>
 					</section>
 					<section id="payment" class="disabled">