diff --git a/Vorbereitung_Kapitel_1..ipynb b/Vorbereitung_Kapitel_1..ipynb
index 6b06482..4f513f1 100644
--- a/Vorbereitung_Kapitel_1..ipynb
+++ b/Vorbereitung_Kapitel_1..ipynb
@@ -182,7 +182,7 @@
     "<td>Differenz von <em>x</em> und <em>y</em></td>\n",
     "<td>5</td>\n",
     "</tr>\n",
-    "<tr class=\"row-even\"><td><tt class=\"docutils literal\"><span class=\"pre\">x</span> <span class=\"pre\">\\*</span> <span class=\"pre\">y</span></tt></td>\n",
+    "<tr class=\"row-even\"><td><tt class=\"docutils literal\"><span class=\"pre\">x</span> <span class=\"pre\">*</span> <span class=\"pre\">y</span></tt></td>\n",
     "<td>Produkt von <em>x</em> und <em>y</em></td>\n",
     "<td>4</td>\n",
     "</tr>\n",
@@ -194,7 +194,7 @@
     "<td>Rest von <tt class=\"docutils literal\"><span class=\"pre\">x</span> <span class=\"pre\">/</span> <span class=\"pre\">y</span></tt></td>\n",
     "<td>2</td>\n",
     "</tr>\n",
-    "<tr class=\"row-odd\"><td><tt class=\"docutils literal\"><span class=\"pre\">x</span> <span class=\"pre\">****</span> <span class=\"pre\">y</span></tt></td>\n",
+    "<tr class=\"row-odd\"><td><tt class=\"docutils literal\"><span class=\"pre\">x</span> <span class=\"pre\">**</span> <span class=\"pre\">y</span></tt></td>\n",
     "<td><em>x</em> bei der Potenz von <em>y</em></td>\n",
     "<td>1</td>\n",
     "</tr>\n",