Correct typo in documentation links

docs/documentation/part1.html

@@ -33,12 +33,12 @@
 							<li><a href="firsttime.html#configfile">Open Configuration File</a></li>
 							<li><a href="firsttime.html#hardware">Configuring Typica for your Hardware</a></li>
 						</ul>
-						<li><a href="dataentry,html">Initial Data Entry</a></li>
+						<li><a href="dataentry.html">Initial Data Entry</a></li>
 						<ul>
-							<li><a href="dataentry,html#green">Green Coffee Purchases</a></li>
-							<li><a href="dataentry,html#roasted">Roasted Coffee Items</a></li>
-							<li><a href="dataentry,html#inventory">An Initial Inventory</a></li>
-							<li><a href="dataentry,html#profiles">Saving and Using Target Roast Profiles</a></li>
+							<li><a href="dataentry.html#green">Green Coffee Purchases</a></li>
+							<li><a href="dataentry.html#roasted">Roasted Coffee Items</a></li>
+							<li><a href="dataentry.html#inventory">An Initial Inventory</a></li>
+							<li><a href="dataentry.html#profiles">Saving and Using Target Roast Profiles</a></li>
 						</ul>
 					</ul>
 					<li><a>Tips, Tricks, and Frequently Asked Questions</a></li>