diff --git a/frontend/src/app/api.service.ts b/frontend/src/app/api.service.ts
index 7562230..6f882d2 100644
--- a/frontend/src/app/api.service.ts
+++ b/frontend/src/app/api.service.ts
@@ -19,7 +19,7 @@ export class ApiService {
 
   constructor(private http: HttpClient) {}
 
-  // Handle Errors -- TODO use it
+  // Handle Errors -- TODO use it to have better and consistent error messages. (but do we need them?)
   error(error: HttpErrorResponse): Observable<String> {
     let errorMessage: string = '';
     if (error.error instanceof ErrorEvent) {
diff --git a/frontend/src/app/repository-details/repository-details.component.ts b/frontend/src/app/repository-details/repository-details.component.ts
index 57a3943..86cb15d 100644
--- a/frontend/src/app/repository-details/repository-details.component.ts
+++ b/frontend/src/app/repository-details/repository-details.component.ts
@@ -24,7 +24,7 @@ export class RepositoryDetailsComponent implements OnInit {
   };
   getdata = false;
   doughnutChart;
- 
+
   lastLintTime;
   latestLintingIndex: number;
   latestLintingResults: CheckResults[];
diff --git a/server/src/main/java/amosproj/server/linter/Linter.java b/server/src/main/java/amosproj/server/linter/Linter.java
index 420389d..15c9678 100644
--- a/server/src/main/java/amosproj/server/linter/Linter.java
+++ b/server/src/main/java/amosproj/server/linter/Linter.java
@@ -70,7 +70,7 @@ public void checkEverything(org.gitlab4j.api.models.Project apiProject, LocalDat
         LintingResult lintingResult = new LintingResult(currLintingProject, timestamp);
         lintingResultRepository.save(lintingResult);
 
-        // TODO multithreaded in ThreadPool oder ExecutorService
+        // TODO performance: multithreaded in ThreadPool oder ExecutorService
         runChecks(apiProject, lintingResult);
     }
 
diff --git a/server/src/main/java/amosproj/server/linter/checks/Check.java b/server/src/main/java/amosproj/server/linter/checks/Check.java
index 676d507..fb1a760 100644
--- a/server/src/main/java/amosproj/server/linter/checks/Check.java
+++ b/server/src/main/java/amosproj/server/linter/checks/Check.java
@@ -34,7 +34,7 @@ public static void run(String checkName, GitLab gitLab, Project project, CheckRe
             Method method = obj.getDeclaredMethod("evaluate", GitLab.class, Project.class);
             result = (boolean) method.invoke(obj.getConstructor().newInstance(), gitLab, project);
         } catch (ClassNotFoundException | NoSuchMethodException | InvocationTargetException | IllegalAccessException | InstantiationException e) {
-            // TODO handle some of the exceptions differently (e.g. return false upon ClassNotFound Exception.
+            // TODO handle some of the exceptions differently (e.g. return false upon ClassNotFound Exception).
             e.printStackTrace();
         }
         CheckResult cr = new CheckResult(lintingResult, checkName, result);