Mention conditional loading in API

sirbrillig · Oct 30, 2017 · 4e64066 · 4e64066
1 parent 1f48a03
commit 4e64066
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/API.md b/API.md
@@ -706,7 +706,7 @@ finish_spying();
 
 ## PHPUnit Custom Assertions
 
-These are methods available on instances of `\Spies\TestCase`.
+These are methods available on instances of `\Spies\TestCase`, which is loaded only if PHPUnit is loaded.
 
 ### Constraints for `assertThat()`