--- a/collection_column_join.xml	Thu Feb 28 05:04:03 2019 -0500
+++ b/collection_column_join.xml	Wed Jul 28 19:45:43 2021 +0000
@@ -1,5 +1,5 @@
-<tool id="collection_column_join" name="Column Join" version="0.0.3">
-    <description>on Collections</description>
+<tool id="collection_column_join" name="Column join" version="0.0.3">
+    <description>on multiple datasets</description>
     <requirements>
         <requirement type="package" version="8.25">coreutils</requirement>
     </requirements>
@@ -59,7 +59,7 @@
         <param name="identifier_column" type="integer" value="1" min="0" optional="False" label="Identifier column" help="The column that will be used to join the input datasets"/>
         <param name="has_header" type="integer" value="0" min="0" optional="False" label="Number of header lines in each input file" help="If this is set to 0, a header line will be added containing column names as follows: the identifier column will be named #KEY and the other columns are named by the input dataset names/columns. If you have one or more header lines in your input, set this to the number of header lines."/>
         <param name="old_col_in_header" type="boolean" checked="true" label="Add column name to header" help="Disable if you want column headers to only be composed of the input file names, for example, if you want headers like file1 and not file1_column1, see Help section below. Default: Yes"/>
-        <param name="fill_char" type="text" value="." optional="False" label="Fill character"/>
+        <param name="fill_char" type="text" value="." optional="False" label="Fill character" help="a placeholder for empty cells"/>
         <param name="include_outputs" type="select" multiple="True" label="Additional datasets to create">
             <option value="output_shell_script" selected="false">Shell script</option>
         </param>