diff --git a/gio/gdatainputstream.c b/gio/gdatainputstream.c
index 938035887..348ce4445 100644
--- a/gio/gdatainputstream.c
+++ b/gio/gdatainputstream.c
@@ -1292,7 +1292,7 @@ g_data_input_stream_read_until_finish (GDataInputStream  *stream,
 /**
  * g_data_input_stream_read_upto:
  * @stream: a #GDataInputStream
- * @stop_chars: (array length=stop_chars_len): characters to terminate the read
+ * @stop_chars: characters to terminate the read
  * @stop_chars_len: length of @stop_chars. May be -1 if @stop_chars is
  *     nul-terminated
  * @length: (out) (optional): a #gsize to get the length of the data read in
@@ -1384,7 +1384,7 @@ g_data_input_stream_read_upto (GDataInputStream  *stream,
 /**
  * g_data_input_stream_read_upto_async:
  * @stream: a #GDataInputStream
- * @stop_chars: (array length=stop_chars_len): characters to terminate the read
+ * @stop_chars: characters to terminate the read
  * @stop_chars_len: length of @stop_chars. May be -1 if @stop_chars is
  *     nul-terminated
  * @io_priority: the [I/O priority][io-priority] of the request
diff --git a/gio/gdbusutils.c b/gio/gdbusutils.c
index 8d5e9be4f..ff036c765 100644
--- a/gio/gdbusutils.c
+++ b/gio/gdbusutils.c
@@ -313,7 +313,7 @@ g_dbus_generate_guid (void)
 
 /**
  * g_dbus_is_guid:
- * @string: (array fixed-size=33): The string to check.
+ * @string: The string to check.
  *
  * Checks if @string is a D-Bus GUID.
  *
diff --git a/gio/gtlspassword.c b/gio/gtlspassword.c
index 3d2c74dd1..1e437a7b6 100644
--- a/gio/gtlspassword.c
+++ b/gio/gtlspassword.c
@@ -295,7 +295,7 @@ g_tls_password_set_value (GTlsPassword  *password,
 /**
  * g_tls_password_set_value_full:
  * @password: a #GTlsPassword object
- * @value: the value for the password
+ * @value: (array length=length): the value for the password
  * @length: the length of the password, or -1
  * @destroy: (nullable): a function to use to free the password.
  *