diff --git a/src/test_tdl/example/example1.cpp b/src/test_tdl/example/example1.cpp
index 666be8d..3ed95fa 100644
--- a/src/test_tdl/example/example1.cpp
+++ b/src/test_tdl/example/example1.cpp
@@ -1,52 +1,59 @@
-// SPDX-FileCopyrightText: 2006-2024, Knut Reinert & Freie Universität Berlin
-// SPDX-FileCopyrightText: 2016-2024, Knut Reinert & MPI für molekulare Genetik
+// SPDX-FileCopyrightText: 2006-2023, Knut Reinert & Freie Universität Berlin
+// SPDX-FileCopyrightText: 2016-2023, Knut Reinert & MPI für molekulare Genetik
 // SPDX-License-Identifier: CC0-1.0
 
 #include <tdl/tdl.h>
 
 int main(int argc, char** argv) {
 
-    auto toolInfo = tdl::ToolInfo{
-        .metaInfo =
-            {.version     = "7.6.5",                         // version of your tool
-             .name        = "testApp",                       // name of your tool
-             .docurl      = "example.com",                   // url to the documentation of your tool
-             .category    = "sequence analysis",             //!TODO what are good categories?
-             .description = "awesome tool! does everything", // a description of your tool
-             .executableName = argv[0], // executable name of your tool, we advise to fill it with what ever is given in argv[0]
-             // A list of citations you would like people to look at when they use your tool for research
-             .citations = {{"doi:123", "https://en.wikipedia.org/wiki/Meaning_of_life"},
-                           {"doi:456", "https://en.wikipedia.org/wiki/Turing_completeness"}}},
-        .params =
-            {// allow a call like `./myTool build --input <file1> <file2>`
-             tdl::Node{
-                 .name        = "build",
-                 .description = "builds some index for search",
-                 .tags        = {}, // no tags
-                 .value       = tdl::Node::Children{tdl::Node{
-                           .name        = "input", // This must be the same as the referenceName of CLIMapping
-                           .description = "input file",
-                           .value = tdl::StringValueList{}, // indicates that we are accepting a list of strings as values
-                 }}},
+    auto toolInfo = tdl::ToolInfo {
+    .metaInfo = {
+      .version = "7.6.5",                             // version of your tool
+      .name    = "testApp",                           // name of your tool
+      .docurl  = "example.com",                       // url to the documentation of your tool
+      .category = "sequence analysis",                //!TODO what are good categories?
+      .description = "awesome tool! does everything", // a description of your tool
+      .executableName = argv[0],                      // executable name of your tool, we advise to fill it with what ever is given in argv[0]
 
-             // allow a call like `./myTool search --index myindex.db --queries <file1> <file2>`
-             tdl::Node{.name        = "search",
-                       .description = "using index to search",
-                       .value =
-                           tdl::Node::Children{tdl::Node{
-                                                   .name =
-                                                       "queries", // This must be the same as the referenceName of CLIMapping
-                                                   .description = "files with search queries",
-                                                   .value = tdl::StringValueList{}, // indicates that we are accepting a list of strings as values
-                                               },
-                                               tdl::Node{
-                                                   .name = "index", // This must be the same as the referenceName of CLIMapping
-                                                   .description = "path to an index file",
-                                                   .value = tdl::StringValue{}, // indicates that we are accepting a single string value
-                                               }}}},
-        .cliMapping = {
-            tdl::CLIMapping{.optionIdentifier = "--input", .referenceName = "input"},
-            tdl::CLIMapping{.optionIdentifier = "--index", .referenceName = "index"},
-            tdl::CLIMapping{.optionIdentifier = "--queries", .referenceName = "queries"},
-        }};
+       // A list of citations you would like people to look at when they use your tool for research
+      .citations      = {{"doi:123", "https://en.wikipedia.org/wiki/Meaning_of_life"},
+                         {"doi:456", "https://en.wikipedia.org/wiki/Turing_completeness"}}
+    },
+    .params = {
+      // allow a call like `./myTool build --input <file1> <file2>`
+      tdl::Node {
+        .name        = "build",
+        .description = "builds some index for search",
+        .tags        = {}, // no tags
+        .value       = tdl::Node::Children {
+          tdl::Node {
+            .name        = "input", // This must be the same as the referenceName of CLIMapping
+            .description = "input file",
+            .value       = tdl::StringValueList{}, // indicates that we are accepting a list of strings as values
+        }}
+      },
+
+      // allow a call like `./myTool search --index myindex.db --queries <file1> <file2>`
+      tdl::Node {
+        .name        = "search",
+        .description = "using index to search",
+        .value       = tdl::Node::Children {
+          tdl::Node {
+            .name        = "queries", // This must be the same as the referenceName of CLIMapping
+            .description = "files with search queries",
+            .value       = tdl::StringValueList{}, // indicates that we are accepting a list of strings as values
+          },
+          tdl::Node {
+            .name        = "index", // This must be the same as the referenceName of CLIMapping
+            .description = "path to an index file",
+            .value       = tdl::StringValue{}, // indicates that we are accepting a single string value
+          }
+        }
+     }
+   },
+   .cliMapping = {
+       tdl::CLIMapping {.optionIdentifier = "--input",   .referenceName = "input"},
+       tdl::CLIMapping {.optionIdentifier = "--index",   .referenceName = "index"},
+       tdl::CLIMapping {.optionIdentifier = "--queries", .referenceName = "queries"},
+  }};
 }