Reword

Author: javiereguiluz

configuration/env_var_processors.rst

@@ -104,8 +104,9 @@ Symfony provides the following env var processors:
             };
 
 ``env(bool:FOO)``
-    Casts ``FOO`` to a bool (``true`` values are ``'true'``, ``'on'``, ``'yes'``
-    and all numbers (also of a string type) except ``0`` and ``0.0``; everything else is ``false``):
+    Casts ``FOO`` to a bool (``true`` values are ``'true'``, ``'on'``, ``'yes'``,
+    all numbers except ``0`` and ``0.0`` and all numeric strings except ``'0'``
+    and ``'0.0'``; everything else is ``false``):
 
     .. configuration-block::