diff --git a/.github/workflows/report.yml b/.github/workflows/report.yml
index df8795d..facc8e3 100644
--- a/.github/workflows/report.yml
+++ b/.github/workflows/report.yml
@@ -51,4 +51,4 @@ jobs:
           poetry run coverage report -- --format markdown >> $GITHUB_STEP_SUMMARY
           echo  -e "\n\n# Static Code Analysis\n" >> $GITHUB_STEP_SUMMARY
           cat .lint.txt >> $GITHUB_STEP_SUMMARY
-          tbx security prettyprint markdown .security.json >> $GITHUB_STEP_SUMMARY
+          tbx security prettyprint --format markdown .security.json >> $GITHUB_STEP_SUMMARY
diff --git a/exasol/toolbox/tools/security.py b/exasol/toolbox/tools/security.py
index facc4a5..b5a8d0f 100644
--- a/exasol/toolbox/tools/security.py
+++ b/exasol/toolbox/tools/security.py
@@ -123,18 +123,30 @@ def from_json(report_str: str) -> Iterable[Issue]:
 
 
 def issues_to_markdown(issues: Iterable[Issue]) -> str:
-    markdown_str = ""
-    markdown_str += "# Security\n\n"
-    markdown_str += "|File|Cve|Cwe|Details|\n"
-    markdown_str += "|---|:-:|:-:|---|\n"
-    for issue in issues:
+    template = cleandoc("""
+        {header}{rows}
+    """)
+    def _header():
+        header = ""
+        markdown_str = ""
+        markdown_str += "# Security\n\n"
+        header += "|File|Cve|Cwe|Details|\n"
+        header += "|---|:-:|:-:|---|\n"
+        return header
+
+    def _row(issue):
         row = "|" + issue.coordinates + "|"
         row += issue.cve + "|"
         row += issue.cwe + "|"
         for element in issue.references:
             row += element + " ,<br>"
-        markdown_str += row[:-5] + "|\n"
-    return markdown_str
+        row += row[:-5] + "|"
+        return row
+
+    return template.format(
+        header=_header(),
+        rows="\n".join(_row(i) for i in issues)
+    )
 
 
 def security_issue_title(issue: Issue) -> str:
@@ -186,16 +198,14 @@ def create_security_issue(issue: Issue, project="") -> Tuple[str, str]:
         raise ex
 
     std_err = result.stderr.decode("utf-8")
-    std_out = result.stdout.decode("utf-8r")
+    std_out = result.stdout.decode("utf-8")
 
     return std_err, std_out
 
 
 CLI = typer.Typer()
 CVE_CLI = typer.Typer()
-PP_CLI = typer.Typer()
 CLI.add_typer(CVE_CLI, name="cve", help="Work with CVE's")
-CLI.add_typer(PP_CLI, name="prettyprint", help="Prints pretty")
 
 class Format(str, Enum):
     Maven = "maven"
@@ -294,13 +304,18 @@ def create(
         stdout(format_jsonl(issue_url, issue))
 
 
-@PP_CLI.command(name="markdown")
+class PPrintFormats(str, Enum):
+    markdown = "markdown"
+
+
+@CLI.command(name="pretty-print")
 def json_issue_to_markdown(
-        json_file: str = typer.Argument(help="json file with issues to convert"),
+        format: PPrintFormats = typer.Option(default="", help="output format",),
+        json_file: typer.FileText = typer.Argument(default="", mode="r", help="json file with issues to convert"),
 ) -> None:
-    with open(json_file, "r") as file:
-        issues_ = from_json(file.read())
-    print(issues_to_markdown(issues_))
+    content = json_file.read()
+    issues = from_json(content)
+    print(issues_to_markdown(issues))
 
 
 def format_jsonl(issue_url: str, issue: Issue) -> str: