reword reference about inert attributes

Author: jdonszelmann

src/attributes.md

@@ -196,7 +196,7 @@ attributes* remove themselves from the thing they are on while *inert attributes
 stay on.
 
 The [`cfg`] and [`cfg_attr`] attributes are active. The [`test`] attribute is
-inert when compiling for tests and active otherwise. [Attribute macros] are
+active when compiling for tests and inert otherwise. [Attribute macros] are
 active. All other attributes are inert.
 
 r[attributes.tool]