diff --git a/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java b/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
index c5b4094..9166bfd 100644
--- a/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
+++ b/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
@@ -584,7 +584,7 @@ public class Spreadsheet {
 			for (int i = 0; i < cells[0].length; i++) {
 				sb.append("----------------------");
 			}
-			sb.append("------");
+			sb.append("--------");
 			sb.append(System.lineSeparator());
 			sb.append(String.format("  " + "%2s", rc++) + "   |");
 
@@ -600,7 +600,7 @@ public class Spreadsheet {
 		for (int i = 0; i < cells[0].length; i++) {
 			sb.append("----------------------");
 		}
-		sb.append("------");
+		sb.append("--------");
 		sb.append(System.lineSeparator());
 		return sb.toString();
 
@@ -628,7 +628,7 @@ public class Spreadsheet {
 			for (int i = 0; i < cells[0].length; i++) {
 				sb.append("----------------------");
 			}
-			sb.append("------");
+			sb.append("--------");
 			sb.append(System.lineSeparator());
 			sb.append(String.format("  " + "%2s", rc++) + "   |");
 
@@ -641,7 +641,7 @@ public class Spreadsheet {
 		for (int i = 0; i < cells[0].length; i++) {
 			sb.append("----------------------");
 		}
-		sb.append("------");
+		sb.append("--------");
 		sb.append(System.lineSeparator());
 		return sb.toString();
 
diff --git a/PR1-Spreadsheet.iml b/PR1-Spreadsheet.iml
index 6319d91..9dd7111 100644
--- a/PR1-Spreadsheet.iml
+++ b/PR1-Spreadsheet.iml
@@ -8,5 +8,21 @@
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module-library" scope="TEST">
+      <library name="JUnit5.8.1">
+        <CLASSES>
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter/5.8.1/junit-jupiter-5.8.1.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-api/5.8.1/junit-jupiter-api-5.8.1.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/opentest4j/opentest4j/1.2.0/opentest4j-1.2.0.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/platform/junit-platform-commons/1.8.1/junit-platform-commons-1.8.1.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/apiguardian/apiguardian-api/1.1.2/apiguardian-api-1.1.2.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-params/5.8.1/junit-jupiter-params-5.8.1.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-engine/5.8.1/junit-jupiter-engine-5.8.1.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/platform/junit-platform-engine/1.8.1/junit-platform-engine-1.8.1.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
   </component>
 </module>
\ No newline at end of file