diff --git a/core/src/main/java/com/riiablo/excel/package-info.java b/core/src/main/java/com/riiablo/excel/package-info.java
new file mode 100644
index 00000000..fc760110
--- /dev/null
+++ b/core/src/main/java/com/riiablo/excel/package-info.java
@@ -0,0 +1,8 @@
+/**
+ * Second iteration of excel class hierarchy design. Kept for posterity until
+ * third iteration is complete.
+ *
+ * @see com.riiablo.codec.excel.Excel
+ * @see com.riiablo.table
+ */
+package com.riiablo.excel;
diff --git a/core/src/main/java/com/riiablo/table/package-info.java b/core/src/main/java/com/riiablo/table/package-info.java
new file mode 100644
index 00000000..1fb1df8a
--- /dev/null
+++ b/core/src/main/java/com/riiablo/table/package-info.java
@@ -0,0 +1,8 @@
+/**
+ * Third iteration of excel class hierarchy design. Incomplete, not used in
+ * production yet.
+ *
+ * @see com.riiablo.codec.excel.Excel
+ * @see com.riiablo.excel
+ */
+package com.riiablo.table;