diff --git a/htdocs/includes/modules/propale/modules_propale.php b/htdocs/includes/modules/propale/modules_propale.php
index 7d34a6a66c4..f3fea58c8b5 100644
--- a/htdocs/includes/modules/propale/modules_propale.php
+++ b/htdocs/includes/modules/propale/modules_propale.php
@@ -218,10 +218,10 @@ function propale_pdf_create($db, $object, $modele, $outputlangs)
 }
 
 /**
- * 	Supprime l'image de previsualitation, pour le cas de regeneration de propal
+ *  Delete preview files
  * 	@param	    db  		objet base de donnee
  * 	@param	    propalid	id de la propal a effacer
- * 	@param     propalref reference de la propal si besoin
+ * 	@param      propalref   reference de la propal si besoin
  */
 function propale_delete_preview($db, $propalid, $propalref='')
 {
diff --git a/htdocs/includes/modules/supplier_invoice/modules_facturefournisseur.php b/htdocs/includes/modules/supplier_invoice/modules_facturefournisseur.php
index bbdc416c782..dd972c9a4c2 100755
--- a/htdocs/includes/modules/supplier_invoice/modules_facturefournisseur.php
+++ b/htdocs/includes/modules/supplier_invoice/modules_facturefournisseur.php
@@ -121,10 +121,9 @@ function supplier_invoice_pdf_create($db, $object, $model, $outputlangs)
 }
 
 /**
- * Enter description here...
- *
+ * Delete preview files
  * @param   $db
- * @param   $propalid
+ * @param   $objectid
  * @return  int
  */
 function supplier_invoice_delete_preview($db, $objectid)
diff --git a/htdocs/includes/modules/supplier_order/modules_commandefournisseur.php b/htdocs/includes/modules/supplier_order/modules_commandefournisseur.php
index 771f5ebbbaf..e2bcd7a9326 100644
--- a/htdocs/includes/modules/supplier_order/modules_commandefournisseur.php
+++ b/htdocs/includes/modules/supplier_order/modules_commandefournisseur.php
@@ -196,10 +196,9 @@ function supplier_order_pdf_create($db, $object, $model, $outputlangs)
 }
 
 /**
- * Enter description here...
- *
+ * Delete preview files
  * @param   $db
- * @param   $propalid
+ * @param   $objectid
  * @return  int
  */
 function supplier_order_delete_preview($db, $objectid)
diff --git a/htdocs/lib/xcal.lib.php b/htdocs/lib/xcal.lib.php
index ce6f8d23d49..a5a705c4913 100644
--- a/htdocs/lib/xcal.lib.php
+++ b/htdocs/lib/xcal.lib.php
@@ -422,11 +422,11 @@ function format_cal($format,$string)
 }
 
 /**
- *	\brief		Cut string after 75 chars. Add CRLF+Space.
- *	\param		string		String to convert
- *	\return		string 		String converted
- *	\remarks	line must be encoded in UTF-8
-*/
+ *	Cut string after 75 chars. Add CRLF+Space.
+ *	line must be encoded in UTF-8
+ *	@param		line		String to convert
+ *	@return		string 		String converted
+ */
 function CalEncode($line)
 {
 	$out = '';
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index dcd5a46199b..ab753da6f8f 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -790,7 +790,7 @@ if (! function_exists("llxHeader"))
 
 
 /**
- *  Show HTML header
+ *  Show HTTP header
  */
 function top_httphead()
 {
diff --git a/htdocs/paypal/lib/paypal.lib.php b/htdocs/paypal/lib/paypal.lib.php
index 3a321b8f644..1a95b06ad03 100755
--- a/htdocs/paypal/lib/paypal.lib.php
+++ b/htdocs/paypal/lib/paypal.lib.php
@@ -432,12 +432,10 @@ $countryCode, $currencyCode, $tag )
 
 
 /**
- '-------------------------------------------------------------------------------------------------------------------------------------------
  * hash_call: Function to perform the API call to PayPal using API signature
- * @methodName is name of API  method.
- * @nvpStr is nvp string.
- * returns an associtive array containing the response from the server.
- '-------------------------------------------------------------------------------------------------------------------------------------------
+ * @param	methodName 	is name of API  method.
+ * @param	nvpStr 		is nvp string.
+ * @return	array		returns an associtive array containing the response from the server.
  */
 function hash_call($methodName,$nvpStr)
 {