Docstring updates

tests/cli/main_tool.py

@@ -108,7 +108,7 @@ def testRecipeSetupArgs(self, recipe_name):
     self._testRecipeSetupArgs(recipe_name)
 
   def _testRecipeSetupArgs(self, recipe_name):
-    """Checks that all recipes pass the correct arguments to their modules."""
+    """Checks that a recipes passes the correct arguments to their modules."""
     # We want to access the tool's state object to load recipes and go through
     # modules.
     # pylint: disable=protected-access
@@ -137,7 +137,7 @@ def testRecipeValidators(self, recipe_name):
     self._testRecipeValidators(recipe_name)
 
   def _testRecipeValidators(self, recipe_name):
-    """Tests that recipes do not specify invalid validators."""
+    """Tests that a recipe does not specify invalid validators."""
     # pylint: disable=protected-access
     self.tool._state = dftw_state.DFTimewolfState(config.Config)
     recipe = self.tool._recipes_manager.Recipes()[recipe_name]