diff --git a/htdocs/accountancy/class/accountancycategory.class.php b/htdocs/accountancy/class/accountancycategory.class.php
index 7668756a0467811e472792328be805939b807dc0..66f72ea9bf6f879562e74c99c87cf91117579a28 100644
--- a/htdocs/accountancy/class/accountancycategory.class.php
+++ b/htdocs/accountancy/class/accountancycategory.class.php
@@ -429,7 +429,7 @@ class AccountancyCategory
 			return - 1;
 		}
 	}
-	
+
 	public function getCats() {
 		global $db, $langs, $user, $mysoc;
 
@@ -462,7 +462,7 @@ class AccountancyCategory
 			if ($num) {
 				while ( $i < $num ) {
 					$obj = $this->db->fetch_object($resql);
-					
+
 					$data[] = array (
 							'rowid' => $obj->rowid,
 							'code' => $obj->code,
@@ -483,10 +483,10 @@ class AccountancyCategory
 			return - 1;
 		}
 	}
-	
-	
-	// calcule 
-	
+
+
+	// calcule
+
 	const PATTERN = '/(?:\-?\d+(?:\.?\d+)?[\+\-\*\/])+\-?\d+(?:\.?\d+)?/';
 
 	const PARENTHESIS_DEPTH = 10;
@@ -535,11 +535,12 @@ class AccountancyCategory
 
 		return 0;
 	}
-	
+
 	/**
 	 * get cpts of category
 	 *
-	 * @return array       Result in table
+	 * @param  int     $cat_id     Category id
+	 * @return array               Result in table
 	 */
 	public function getCptsCat($cat_id) {
 		global $mysoc;
@@ -554,7 +555,7 @@ class AccountancyCategory
 		$sql .= " FROM " . MAIN_DB_PREFIX . "accounting_account as t";
 		$sql .= " WHERE t.fk_accounting_category = ".$cat_id;
 		$sql .= " ORDER BY t.account_number ";
-		
+
 		//echo $sql;
 
 		$resql = $this->db->query($sql);
@@ -582,5 +583,5 @@ class AccountancyCategory
 			return -1;
 		}
 	}
-	
+
 }