diff --git a/site/specification/ORCv0.md b/site/specification/ORCv0.md
index 32ce14a151..b4fea4e81b 100644
--- a/site/specification/ORCv0.md
+++ b/site/specification/ORCv0.md
@@ -725,7 +725,7 @@ DIRECT        | PRESENT         | Yes      | Boolean RLE
 ## Map Columns
 
 Maps are encoded as the PRESENT stream and a length stream with number
-of items in each list. They have a child column for the key and
+of items in each map. They have a child column for the key and
 another child column for the value.
 
 Encoding      | Stream Kind     | Optional | Contents
diff --git a/site/specification/ORCv1.md b/site/specification/ORCv1.md
index fb90c8353c..5dbd3d027f 100644
--- a/site/specification/ORCv1.md
+++ b/site/specification/ORCv1.md
@@ -581,8 +581,6 @@ the index values and the additional value bits.
   bit is set, the entire value is negated.
 * Data values (W * L bits padded to the byte) - A sequence of W bit positive
   values that are added to the base value.
-* Data values (W * L bits padded to the byte) - A sequence of W bit positive
-  values that are added to the base value.
 * Patch list (PLL * (PGW + PW) bytes) - A list of patches for values
   that didn't fit within W bits. Each entry in the list consists of a
   gap, which is the number of elements skipped from the previous
@@ -899,7 +897,7 @@ DIRECT_V2     | PRESENT         | Yes      | Boolean RLE
 ## Map Columns
 
 Maps are encoded as the PRESENT stream and a length stream with number
-of items in each list. They have a child column for the key and
+of items in each map. They have a child column for the key and
 another child column for the value.
 
 Encoding      | Stream Kind     | Optional | Contents
@@ -978,7 +976,7 @@ group (default to 10,000 rows) in a column. Only the row groups that
 satisfy min/max row index evaluation will be evaluated against the
 bloom filter index.
 
-Each BloomFilterEntry stores the number of hash functions ('k') used
+Each bloom filter entry stores the number of hash functions ('k') used
 and the bitset backing the bloom filter. The original encoding (pre
 ORC-101) of bloom filters used the bitset field encoded as a repeating
 sequence of longs in the bitset field with a little endian encoding
diff --git a/site/specification/ORCv2.md b/site/specification/ORCv2.md
index 76ee571f0e..d91139c0fe 100644
--- a/site/specification/ORCv2.md
+++ b/site/specification/ORCv2.md
@@ -601,8 +601,6 @@ the index values and the additional value bits.
   bit is set, the entire value is negated.
 * Data values (W * L bits padded to the byte) - A sequence of W bit positive
   values that are added to the base value.
-* Data values (W * L bits padded to the byte) - A sequence of W bit positive
-  values that are added to the base value.
 * Patch list (PLL * (PGW + PW) bytes) - A list of patches for values
   that didn't fit within W bits. Each entry in the list consists of a
   gap, which is the number of elements skipped from the previous
@@ -916,7 +914,7 @@ DIRECT_V2     | PRESENT         | Yes      | Boolean RLE
 ## Map Columns
 
 Maps are encoded as the PRESENT stream and a length stream with number
-of items in each list. They have a child column for the key and
+of items in each map. They have a child column for the key and
 another child column for the value.
 
 Encoding      | Stream Kind     | Optional | Contents
@@ -995,7 +993,7 @@ group (default to 10,000 rows) in a column. Only the row groups that
 satisfy min/max row index evaluation will be evaluated against the
 bloom filter index.
 
-Each BloomFilterEntry stores the number of hash functions ('k') used
+Each bloom filter entry stores the number of hash functions ('k') used
 and the bitset backing the bloom filter. The original encoding (pre
 ORC-101) of bloom filters used the bitset field encoded as a repeating
 sequence of longs in the bitset field with a little endian encoding