diff --git a/Encodings.md b/Encodings.md
index 28429be79..b8905bf41 100644
--- a/Encodings.md
+++ b/Encodings.md
@@ -34,7 +34,7 @@ stores the data in the following format:
  - BOOLEAN: [Bit Packed](#RLE), LSB first
  - INT32: 4 bytes little endian
  - INT64: 8 bytes little endian
- - INT96: 12 bytes little endian
+ - INT96: 12 bytes little endian (deprecated)
  - FLOAT: 4 bytes IEEE little endian
  - DOUBLE: 8 bytes IEEE little endian
  - BYTE_ARRAY: length in 4 bytes little endian followed by the bytes contained in the array
diff --git a/src/main/thrift/parquet.thrift b/src/main/thrift/parquet.thrift
index 195ff9086..4d2e70017 100644
--- a/src/main/thrift/parquet.thrift
+++ b/src/main/thrift/parquet.thrift
@@ -33,7 +33,7 @@ enum Type {
   BOOLEAN = 0;
   INT32 = 1;
   INT64 = 2;
-  INT96 = 3;
+  INT96 = 3;  // deprecated, only used by legacy implementations.
   FLOAT = 4;
   DOUBLE = 5;
   BYTE_ARRAY = 6;