diff --git a/htdocs/core/modules/import/import_csv.modules.php b/htdocs/core/modules/import/import_csv.modules.php
index d6c43edd5c3..93d68691a11 100644
--- a/htdocs/core/modules/import/import_csv.modules.php
+++ b/htdocs/core/modules/import/import_csv.modules.php
@@ -123,7 +123,7 @@ class ImportCsv extends ModeleImports
 	 * 	Output header of an example file for this format
 	 *
 	 * 	@param	Translate	$outputlangs		Output language
-	 *  @return	string
+	 *  @return	string							Empty string
 	 */
     public function write_header_example($outputlangs)
 	{
@@ -137,7 +137,7 @@ class ImportCsv extends ModeleImports
 	 *
 	 * 	@param	Translate	$outputlangs		Output language
 	 *  @param	array		$headerlinefields	Array of fields name
-	 * 	@return	string$limittoachartaccount
+	 * 	@return	string							String output
 	 */
     public function write_title_example($outputlangs, $headerlinefields)
 	{
@@ -152,7 +152,7 @@ class ImportCsv extends ModeleImports
 	 *
 	 * 	@param	Translate	$outputlangs		Output language
 	 * 	@param	array		$contentlinevalues	Array of lines
-	 * 	@return	string
+	 * 	@return	string							String output
 	 */
     public function write_record_example($outputlangs, $contentlinevalues)
 	{
@@ -166,7 +166,7 @@ class ImportCsv extends ModeleImports
 	 * 	Output footer of an example file for this format
 	 *
 	 * 	@param	Translate	$outputlangs		Output language
-	 *  @return	string
+	 *  @return	string							Empty string
 	 */
     public function write_footer_example($outputlangs)
 	{
@@ -175,7 +175,6 @@ class ImportCsv extends ModeleImports
 	}
 
 
-
     // phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
 	/**
 	 *	Open input file
diff --git a/htdocs/core/modules/import/import_xlsx.modules.php b/htdocs/core/modules/import/import_xlsx.modules.php
index 03b3f941a1d..09628739494 100644
--- a/htdocs/core/modules/import/import_xlsx.modules.php
+++ b/htdocs/core/modules/import/import_xlsx.modules.php
@@ -130,7 +130,7 @@ class ImportXlsx extends ModeleImports
 	 * 	Output header of an example file for this format
 	 *
 	 * 	@param	Translate	$outputlangs		Output language
-	 *  @return	string
+	 *  @return	string							Empty string
 	 */
     public function write_header_example($outputlangs)
 	{
@@ -164,7 +164,7 @@ class ImportXlsx extends ModeleImports
 	 *
 	 * 	@param	Translate	$outputlangs		Output language
 	 *  @param	array		$headerlinefields	Array of fields name
-	 * 	@return	string
+	 * 	@return	string							String output
 	 */
     public function write_title_example($outputlangs, $headerlinefields)
 	{
@@ -190,7 +190,7 @@ class ImportXlsx extends ModeleImports
 	 *
 	 * 	@param	Translate	$outputlangs		Output language
 	 * 	@param	array		$contentlinevalues	Array of lines
-	 * 	@return	string
+	 * 	@return	string							Empty string
 	 */
     public function write_record_example($outputlangs, $contentlinevalues)
 	{
@@ -210,7 +210,7 @@ class ImportXlsx extends ModeleImports
 	 * 	Output footer of an example file for this format
 	 *
 	 * 	@param	Translate	$outputlangs		Output language
-	 *  @return	string
+	 *  @return	string							String output
 	 */
     public function write_footer_example($outputlangs)
 	{
@@ -258,7 +258,7 @@ class ImportXlsx extends ModeleImports
 	 * 	Return nb of records. File must be closed.
 	 *
 	 *	@param	string	$file		Path of filename
-	 * 	@return		int		<0 if KO, >=0 if OK
+	 * 	@return	int					<0 if KO, >=0 if OK
 	 */
     public function import_get_nb_of_lines($file)
 	{