diff --git a/OpenSSL/_util.py b/OpenSSL/_util.py
index cf13666..de292be 100644
--- a/OpenSSL/_util.py
+++ b/OpenSSL/_util.py
@@ -8,6 +8,13 @@
 
 
 def text(charp):
+    """
+    Get a native string type representing of the given CFFI ``char*`` object.
+
+    :param charp: A C-style string represented using CFFI.
+
+    :return: :class:`str`
+    """
     return native(ffi.string(charp))