diff --git a/library/Fileshipper/ProvidedHook/Director/ImportSource.php b/library/Fileshipper/ProvidedHook/Director/ImportSource.php
index 18a2377..6229e72 100644
--- a/library/Fileshipper/ProvidedHook/Director/ImportSource.php
+++ b/library/Fileshipper/ProvidedHook/Director/ImportSource.php
@@ -63,9 +63,9 @@ public static function addSettingsFormFields(QuickForm $form)
             'label'        => $form->translate('File format'),
             'description'  => $form->translate(
                 'Available file formats, usually CSV, JSON, YAML and XML. Whether'
-                . ' all of those are available eventually depends on various'
-                . ' libraries installed on your system. Please have a look at'
-                . ' the documentation in case your list is not complete.'
+                . ' these are currently available depends on various'
+                . ' libraries installed on your system.  Please see'
+                . ' the documentation if you do not see the complete list.'
             ),
             'required'     => true,
             'class'        => 'autosubmit',
@@ -137,8 +137,8 @@ protected static function addCsvElements(QuickForm $form)
         $form->addElement('text', 'csv_delimiter', array(
             'label'       => $form->translate('Field delimiter'),
             'description' => $form->translate(
-                'This sets the field delimiter. One character only, defaults'
-                . ' to comma: ,'
+                'This sets the field delimiter.  It must be exactly one'
+                . '  character, defaults to comma: ,'
             ),
             'value'       => ',',
             'required'    => true,
@@ -147,8 +147,8 @@ protected static function addCsvElements(QuickForm $form)
         $form->addElement('text', 'csv_enclosure', array(
             'label'       => $form->translate('Value enclosure'),
             'description' => $form->translate(
-                'This sets the field enclosure character. One character only,'
-                . ' defaults to double quote: "'
+                'This sets the field enclosure character. It must be exactly'
+                . ' one character,defaults to double quote: "'
             ),
             'value'       => '"',
             'required'    => true,
diff --git a/library/Fileshipper/Xlsx/Workbook.php b/library/Fileshipper/Xlsx/Workbook.php
index 9c20d95..7caeac6 100755
--- a/library/Fileshipper/Xlsx/Workbook.php
+++ b/library/Fileshipper/Xlsx/Workbook.php
@@ -238,7 +238,7 @@ public function getSheet($sheet)
         if (is_numeric($sheet)) {
             $sheet = $this->getSheetNameById($sheet);
         } elseif (!is_string($sheet)) {
-            throw new RuntimeException("Sheet must be a string or a sheet Id");
+            throw new RuntimeException("Sheet must be a string or a sheet ID");
         }
         if (!array_key_exists($sheet, $this->sheets)) {
             $this->sheets[$sheet] = new Worksheet($this->getSheetXML($sheet), $sheet, $this);
diff --git a/library/Fileshipper/Xlsx/Worksheet.php b/library/Fileshipper/Xlsx/Worksheet.php
index 18cc985..b139942 100755
--- a/library/Fileshipper/Xlsx/Worksheet.php
+++ b/library/Fileshipper/Xlsx/Worksheet.php
@@ -130,7 +130,7 @@ protected function parseData($sheetData)
                         $rows[$curR][$col] = $rows[$cell[0]][$cell[1]];
                     } else {
                         throw new RuntimeException(sprintf(
-                            '%s should merge into %s, but %s has a value: %s',
+                            '%s should merge into %s, but %s already has a value: %s',
                             $this->makeCellName($cell[0], $cell[1]),
                             $this->makeCellName($curR, $col),
                             $this->makeCellName($curR, $col),