diff --git a/parameterManager.cpp b/parameterManager.cpp
index 45a22e6..efaeb1e 100644
--- a/parameterManager.cpp
+++ b/parameterManager.cpp
@@ -39,14 +39,21 @@ int manageParameter(Settings &settings, int argc, char **argv)
         return 1;
     }
 
-    int res = compare("--help\ndefault\nurl\n--version\nsearch\ninfo\nclean", argv[1]);
-    if(res != 1) {
-        std::cout << " => Error: " << ( (res == 0) ? std::string("Unbekannte Unteroption: '") + argv[1] + "'" :
-                                        std::string("Mehrere Optionen für '") + argv[1] + std::string("' gefunden.") ) << std::endl;
-        std::cout << "Aufruf: " << getProgramName() << " [Unteroption] [PARAMETER]" << std::endl;
-        std::cout << "„" << getProgramName() << " --help“ liefert weitere Informationen." << std::endl;
-        return 2;
+    std::vector<std::string> res = compare("--help\ndefault\nurl\n--version\nsearch\ninfo\nclean", argv[1]);
+    if(res.size() != 1) {
+        if(res.size() == 0)
+            std::cout << " => Error: Keine Unteroption für " << argv[1] << " gefunden." << std::endl;
+        else if(res.size() > 1) {
+            std::cout << " => Error: Mehrere Unteroptionen für '" << argv[1] << "' gefunden:" << std::endl;
+            for (auto &e : res)
+                std::cout << "  > '" << argv[1] << "' =? " << e << std::endl;
+        }
+            std::cout << "Aufruf: " << getProgramName() << " [Unteroption] [PARAMETER]" << std::endl;
+            std::cout << "„" << getProgramName() << " --help“ liefert weitere Informationen." << std::endl;
+            return 2;
     }
+    res.clear();
+
 
     if(strncmp(argv[1], "--help", strlen(argv[1])) == 0) {
         argv[1][0] = '\0';
@@ -242,9 +249,6 @@ int loadDefaulOptions(Settings &settings)
         }
     }
 
-
-
-
     ifs.close();
     return 0;
 }
@@ -889,8 +893,8 @@ void unterOption_clean(Settings * settings, int argc, char **argv)
 {
     if(argc > 2)
         if(strncmp("--help", argv[2], strlen(argv[2])) == 0) {
-            std::cout << "Aufruf: " << getProgramName() << " clean" << std::endl << std::endl;
-            std::cout << "Mit dieser Function werden die Cookie-Files gelöscht." << std::endl;
+            std::cout << "Aufruf: " << getProgramName() << "clean\n        " << getProgramName() << "clean --help" << std::endl << std::endl
+                      << "Beschreibung:" << std::endl << "    Mit dieser Unterfunction kann man die Cookie-Dateien löschen." << std::endl << std::endl;
             return;
         }
 
@@ -921,14 +925,15 @@ void unterOption_clean(Settings * settings, int argc, char **argv)
 }
 
 
-int compare(std::string All_Options_with_komma_between, std::string input)
+std::vector<std::string> compare(std::string All_Options_with_komma_between, std::string input)
 {
     std::istringstream iStrStream( All_Options_with_komma_between + "\n");
     std::string line;
-    int allFounds = 0;
+    std::vector<std::string> allFounds;
+
     while (getline(iStrStream, line).good())
         if(strncmp(line.c_str(), input.c_str(), input.length()) == 0) {
-            allFounds++;
+            allFounds.push_back(line);
             //std::cout << "Unteroption '" << input << "' stimmt mit '" << line << "' überein." << std::endl;
         }
     return allFounds;
diff --git a/parameterManager.h b/parameterManager.h
index 9072c84..358168c 100644
--- a/parameterManager.h
+++ b/parameterManager.h
@@ -9,6 +9,7 @@
 #include <fstream>
 #include <limits.h> // PATH_MAX
 #include <unistd.h> // readlink()
+#include <vector>
 
 #ifdef _WIN32
 #include <windows.h>
@@ -61,7 +62,7 @@ struct Settings {
 
 int manageParameter(Settings &settings, int argc, char ** argv);
 int loadDefaulOptions(Settings & settings);
-int compare(std::string All_Options_with_komma_between, std::string input);
+std::vector<std::string> compare(std::string All_Options_with_komma_between, std::string input);
 
 std::string getProgramName();
 std::string getexepath();