Add/fix GUI descriptions.

inx/inkstitch_embroider.inx

@@ -5,7 +5,7 @@
     <dependency type="executable" location="extensions">inkstitch.py</dependency>
     <dependency type="executable" location="extensions">inkex.py</dependency>
     <param name="collapse_len_mm" type="float" min="0.0" max="10.0" _gui-text="Collapse length (mm)" _gui-description="Jump stitches smaller than this will be treated as normal stitches.">3.0</param>
-    <param name="hide_layers" type="boolean" _gui-text="Hide other layers" description="Hide all other top-level layers when the embroidery layer is generated, in order to make stitching discernable.">true</param>
+    <param name="hide_layers" type="boolean" _gui-text="Hide other layers" _gui-description="Hide all other top-level layers when the embroidery layer is generated, in order to make stitching discernable.">true</param>
     <param name="output_format" type="optiongroup" _gui-text="Output file format" appearance="minimal">
         <_option value="dst">Tajima Embroidery Format (DST)</_option>
         <_option value="exp">Melco Embroidery Format (EXP)</_option>
@@ -16,7 +16,7 @@
         <_option value="csv">Comma-separated values (CSV) [DEBUG]</_option>
         <_option value="svg">Scalable Vector Graphics (SVG) [DEBUG]</_option>
     </param>
-    <param name="path" type="string" _gui-text="Directory"></param>
+    <param name="path" type="string" _gui-text="Directory" _gui-description="Leave empty for saving the output in Inkscape's extension directory."></param>
     <param name="extension" type="string" gui-hidden="true">embroider</param>
     <effect>
         <object-type>all</object-type>