diff --git a/src/contents/description.tsx b/src/contents/description.tsx
index ce7d4a7b3a421f956591732e580eb3f091fee367..bf733d5ab1fada192d0a42ab6c03192e1ad386f6 100644
--- a/src/contents/description.tsx
+++ b/src/contents/description.tsx
@@ -613,12 +613,11 @@ let symptombuttonrowdata = [
 
 
 function createSymptomSteckbrief(data: SymptomDatensatz){
-    let examplelist = []; 
+    let examplelist: JSX.Element[] = []; 
     for (let index = 0; index < data.introduction.length; index++) {
             examplelist.push(
-                <li>{data.introduction[index]}</li>
+                <li key={index}>{data.introduction[index]}</li>
             )
-    
     }
     return(
         <div>
@@ -641,19 +640,19 @@ function createSymptomSteckbrief(data: SymptomDatensatz){
 
 
 function createDrugSteckbrief(data: DrugDatensatz){
-    let examplelist = []; 
+    let examplelist: JSX.Element[]  = []; 
     for (let index = 0; index < data.examples.length; index++) {
-        let absaetze = []
+        let absaetze: JSX.Element[]  = []
         for (let i = 0; i < data.examples[index].text.length; i++) {
             absaetze.push(
-                <li>{data.examples[index].text[i]}</li>
+                <li key={i}>{data.examples[index].text[i]}</li>
             )
             
         }
         examplelist.push(
             <div className="drug">
                 <H4 text={data.examples[index].title}/>
-                <ul>{absaetze}</ul>
+                <ul key={index}>{absaetze}</ul>
             </div>
         )
         
diff --git a/src/data/symptom-data.tsx b/src/data/symptom-data.tsx
index 5624a06c2d20626c0f29fc2e80697448a95f046e..9a4014c3eabb459f981c08bd7782245b6bb8ba62 100644
--- a/src/data/symptom-data.tsx
+++ b/src/data/symptom-data.tsx
@@ -53,19 +53,4 @@ export const symptomdata: (Array<SymptomDatensatz>)  = [
         picture: "https://static.igem.wiki/teams/5247/scientific-figures/brain.svg",
         introduction: [<>Located inside the skull</>,<>Responsible for cognitive functions, movement coordination, and control of vital functions [29]</>,<>CF affects mental health due to psychological stress and social isolation [30]</>,<>This can lead in context of CF to physical illnesses like depression and anxiety disorders [30]</>,<>Treatment options include psychotherapy, antidepressants, support groups and sports [31]</>]
     }
-// 
-//        name: "guts",
-//        picture: "https://static.igem.wiki/teams/5247/scientific-figures/pregnancy.svg",
-//        introduction: "",
-//        subsections: [
-//           {
-//                title: "",
-//                text: ["string"]
-//            },
-//            {
-//                title: "",
-//                text: ["string"]
-//            },
-//        ]
-//    }
 ]
\ No newline at end of file