diff --git a/doc/api/stream.md b/doc/api/stream.md
index d4b05610295e0f..eed68fcc54ea31 100644
--- a/doc/api/stream.md
+++ b/doc/api/stream.md
@@ -1127,7 +1127,7 @@ buffer will be returned.
 If the `size` argument is not specified, all of the data contained in the
 internal buffer will be returned.
 
-The `size` argument must be less than or equal to 1 GB.
+The `size` argument must be less than or equal to 1 GiB.
 
 The `readable.read()` method should only be called on `Readable` streams
 operating in paused mode. In flowing mode, `readable.read()` is called