diff --git a/internal/app/api/api.go b/internal/app/api/api.go
index cba0a3d5..37652ba3 100644
--- a/internal/app/api/api.go
+++ b/internal/app/api/api.go
@@ -94,7 +94,7 @@ func print(c echo.Context, p printer.Printer, r *resource) error {
 	if r.webhookURL() == "" {
 		// if no webhook URL given, run conversion
 		// and directly return the resulting PDF file
-		// or and error.
+		// or an error.
 		if err := p.Print(fpath); err != nil {
 			return err
 		}
diff --git a/internal/app/api/merge.go b/internal/app/api/merge.go
index d79d825e..2f3aa403 100644
--- a/internal/app/api/merge.go
+++ b/internal/app/api/merge.go
@@ -29,7 +29,7 @@ func merge(c echo.Context) error {
 	if r.webhookURL() == "" {
 		// if no webhook URL given, run merge
 		// and directly return the resulting PDF file
-		// or and error.
+		// or an error.
 		if err := printer.Merge(fpaths, fpath); err != nil {
 			return err
 		}
diff --git a/internal/pkg/printer/doc.go b/internal/pkg/printer/doc.go
index 21d6d8ea..473019df 100644
--- a/internal/pkg/printer/doc.go
+++ b/internal/pkg/printer/doc.go
@@ -1,52 +1,7 @@
 /*
 Package printer contains structs which convert
-a specific file type to PDF:
+a specific file type to PDF.
 
- // converting HTML to PDF.
- p := &printer.HTML{
-	 Context: context.Background(),
-	 PaperWidth: 8.27,
-	 PaperHeight: 11.7,
-	 Landscape: false,
- }
- p.WithLocalURL("index.html")
- if err := p.Print("result.pdf"); err != nil {
-	 return err
- }
-
- // converting Markdown to PDF:
- // it assumes here that our template "index.html"
- // will call toHTML method to convert
- // markdown files to HTML.
- p := &printer.Markdown{
-	 Context: context.Background(),
-	 TemplatePath: "index.html",
-	 PaperWidth: 8.27,
-	 PaperHeight: 11.7,
-	 Landscape: false,
- }
- if err := p.Print("result.pdf"); err != nil {
-	 return err
- }
-
- // converting Office documents to PDF:
- // it converts each files independently and
- // then merge them.
- //
- // Also, as unoconv cannot perform
- // concurrent conversions, a lock is applied.
- p := &printer.Office{
-	 Context: ctx,
-	 FilePaths: []string{"document.docx", "presentation.pptx"}
- }
- if err := p.Print("result.pdf"); err != nil {
-	 return err
- }
-
-It is also able to merge a list of PDF files:
-
- if err := printer.Merge([]string{"foo.pdf", "bar.pdf"}, "result.pdf"); err != nil {
-	 return err
- }
+It is also able to merge a list of PDF files.
 */
 package printer