minor wording changes.

CHANGES

@@ -21,7 +21,7 @@ Changes
  - Add configuration `DOIT_CONFIG` `action_string_formatting` to control command action formatter.
  - Fix `result_dep`, use result **after** its execution
  - Fix #286: Support `functools.partial` on tasks' dict metadata `task.title`
- - Fix #285: `clean` command, remove targets in reverse DFS order
+ - Fix #285: `clean` command, remove targets in reverse lexical order
 
 
 0.31.1 (*2018-03-18*)

doc/cmd_other.rst

@@ -124,8 +124,8 @@ is empty, otherwise it will display a warning message.
 .. note::
 
   The targets' removal order will be the reverse of their lexical ordering.
-  This ensures that the directory structure formed by the targets is correctly
-  removed irrespective of their order in the ``targets`` array.
+  This ensures that files in a directory are removed before the directory
+  irrespective of their order in the ``targets`` array.
 
 The *clean* attribute can be a list of actions. An action could be a
 string with a shell command or a tuple with a python callable.

doc/dictionary.txt

@@ -463,3 +463,4 @@ x'
 xxx
 xyz
 zsh
+functools

doc/tutorial_1.rst

@@ -602,7 +602,7 @@ Sub-tasks (items of task group) by default are not reported by the ``list`` comm
 
 
 Note the task's name is composed of the task's group name (aka ``basename``)
-followed by a colon `:` and the ``name`` specified as a parameter when ``yield``ing.
+followed by a colon `:` and the ``name`` specified as a parameter when ``yield``.
 
 From the command line, a single task can be executed like this:
 
@@ -646,7 +646,7 @@ printing imports
 ================
 
 Getting rid of intermediate computation files (like ``requests.models.deps``) was nice...
-but sometimes it is usefull to be able to quickly list the direct imports from a module.
+but sometimes it is useful to be able to quickly list the direct imports from a module.
 
 Let's create another task that just prints its output in the terminal.
 

tests/test_task.py

@@ -437,7 +437,7 @@ def test_keep_non_empty_dirs(self, tmpdir):
             assert expected == os.path.exists(filename)
         assert os.path.exists(tmpdir['dir'])
 
-    def test_clean_in_reverse_lexical_order(self, tmpdir):
+    def test_clean_any_order(self, tmpdir):
         # Remove targets in reverse lexical order so that subdirectories' order
         # in the targets array is irrelevant
         targets = tmpdir['files'] + [tmpdir['dir'], tmpdir['subdir']]