diff --git a/src/main/asciidoc/developer_documentation.adoc b/src/main/asciidoc/developer_documentation.adoc
index 4ab74f9..f74aa4f 100644
--- a/src/main/asciidoc/developer_documentation.adoc
+++ b/src/main/asciidoc/developer_documentation.adoc
@@ -64,14 +64,14 @@ The first column lists the quality demands, while in the following columns an "x
 [options="header", cols="3h, ^1, ^1, ^1, ^1, ^1"]
 |===
 |Quality Demand           | 1 | 2 | 3 | 4 | 5
-|Functional Suitability   |   | x |   |   |
-|Performance efficiency   |   |   |   | x |
+|Functional Suitability   |   |   |   |   | x
+|Performance efficiency   | x |   |   |   |
 |Compatability            | x |   |   |   |
-|Usability                |   |   |   |   | x
-|Reliability              |   |   | x |   |
-|Security                 |   |   |   | x |
+|Usability                |   |   |   | x |
+|Reliability              |   |   |   | x |
+|Security                 |   | x |   |   |
 |Maintainability          |   |   | x |   |
-|Portability              |   |   | x |   |
+|Portability              | x |   |   |   |
 |===
 
 == Randbedingungen