Update ! docs.

diff --git a/README.PARAMETER_PARSING_API b/README.PARAMETER_PARSING_API
index a4c73e54e9bd6317100fede26d6485c265b84e34..fef6da4bf4e7d9ff1df494b5773393ae943d1602 100644 (file)
--- a/README.PARAMETER_PARSING_API
+++ b/README.PARAMETER_PARSING_API
@@ -51,8 +51,8 @@ Type specifiers
            passed to it.
        / - use SEPARATE_ZVAL_IF_NOT_REF() on the parameter it follows
        ! - the parameter it follows can be of specified type or NULL (only applies
-           to 'a', 'o', 'O', 'r', and 'z'). If NULL is passed, the results
-           pointer is set to NULL as well.
+               to 's', 'a', 'o', 'O', 'r', 'h', 'C', 'z', and 'Z'). If NULL is passed,
+               the results pointer is set to NULL as well.
 
 Examples
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