diff --git a/core/bufio/doc.odin b/core/bufio/doc.odin
new file mode 100644
index 000000000..f725e83dc
--- /dev/null
+++ b/core/bufio/doc.odin
@@ -0,0 +1,2 @@
+// package bufio implements buffered I/O. It wraps an `io.Stream` interface to provide buffering.
+package bufio
\ No newline at end of file
diff --git a/core/bytes/bytes.odin b/core/bytes/bytes.odin
index 6e872e757..859f90318 100644
--- a/core/bytes/bytes.odin
+++ b/core/bytes/bytes.odin
@@ -1,3 +1,4 @@
+// package bytes implements procedures for manipulation of byte slices
 package bytes
 
 import "base:intrinsics"