Try to fix linter errors.

base_import_match/README.rst

@@ -59,9 +59,9 @@ To configure this module, you need to:
 #. If the rule must be used only for certain imported values, check
    *Conditional* and enter the **exact string** that is going to be imported
    in *Imported value*.
-   #. Keep in mind that the match here is evaluated as a case sensitive **text
-      string** always. If you enter e.g. ``True``, it will match that string,
-      but will not match ``1`` or ``true``.
+   #. Keep in mind that the match here is evaluated as a case sensitive
+      **text string** always. If you enter e.g. ``True``, it will match that
+      string, but will not match ``1`` or ``true``.
 #. *Save*.
 
 In that list view, you can sort rules by drag and drop.