diff --git a/Modules/_codecsmodule.c b/Modules/_codecsmodule.c
index 9a14700..6877238 100644
--- a/Modules/_codecsmodule.c
+++ b/Modules/_codecsmodule.c
@@ -61,7 +61,7 @@
 "lookup(encoding) -> CodecInfo\n\
 \n\
 Looks up a codec tuple in the Python codec registry and returns\n\
-a tuple of function (or a CodecInfo object).");
+a CodecInfo object.");
 
 static
 PyObject *codec_lookup(PyObject *self, PyObject *args)
diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c
index a509d4b..360046b 100644
--- a/Modules/_ctypes/_ctypes.c
+++ b/Modules/_ctypes/_ctypes.c
@@ -599,13 +599,14 @@
 #else
 	address = (void *)ctypes_dlsym(handle, name);
 	if (!address) {
-		PyErr_Format(PyExc_ValueError,
 #ifdef __CYGWIN__
 /* dlerror() isn't very helpful on cygwin */
+		PyErr_Format(PyExc_ValueError,
 			     "symbol '%s' not found (%s) ",
-			     name,
+			     name);
+#else
+		PyErr_SetString(PyExc_ValueError, ctypes_dlerror());
 #endif
-			     ctypes_dlerror());
 		return NULL;
 	}
 #endif
@@ -3283,13 +3284,14 @@
 #else
 	address = (PPROC)ctypes_dlsym(handle, name);
 	if (!address) {
-		PyErr_Format(PyExc_AttributeError,
 #ifdef __CYGWIN__
 /* dlerror() isn't very helpful on cygwin */
+		PyErr_Format(PyExc_AttributeError,
 			     "function '%s' not found (%s) ",
-			     name,
+			     name);
+#else
+		PyErr_SetString(PyExc_AttributeError, ctypes_dlerror());
 #endif
-			     ctypes_dlerror());
 		return NULL;
 	}
 #endif