diff --git a/src/builder/data.rs b/src/builder/data.rs
index 46398e5..39964fd 100644
--- a/src/builder/data.rs
+++ b/src/builder/data.rs
@@ -1,6 +1,7 @@
 use super::invoke::{Identity, Invoke};
 use elements;
 
+/// Data segment builder
 pub struct DataSegmentBuilder<F=Identity> {
     callback: F,
     // todo: add mapper once multiple memory refs possible
@@ -10,12 +11,14 @@ pub struct DataSegmentBuilder<F=Identity> {
 }
 
 impl DataSegmentBuilder {
+    /// New data segment builder
     pub fn new() -> Self {
         DataSegmentBuilder::with_callback(Identity)
     }
 }
 
 impl<F> DataSegmentBuilder<F> {
+    /// New data segment builder inside the chain context
     pub fn with_callback(callback: F) -> Self {
         DataSegmentBuilder {
             callback: callback,
@@ -25,11 +28,13 @@ impl<F> DataSegmentBuilder<F> {
         }
     }
 
+    /// Set offset initialization opcode. `End` opcode will be added automatically.
     pub fn offset(mut self, opcode: elements::Opcode) -> Self {
         self.offset = elements::InitExpr::new(vec![opcode, elements::Opcode::End]);
         self
     }
 
+    /// Set the bytes value of the segment
     pub fn value(mut self, value: Vec<u8>) -> Self {
         self.value = value;
         self
@@ -37,6 +42,7 @@ impl<F> DataSegmentBuilder<F> {
 }
 
 impl<F> DataSegmentBuilder<F> where F: Invoke<elements::DataSegment> {
+    /// Finish current builder, spawning resulting struct
     pub fn build(self) -> F::Result {
         self.callback.invoke(
             elements::DataSegment::new(
diff --git a/src/builder/mod.rs b/src/builder/mod.rs
index 6337da5..bb21864 100644
--- a/src/builder/mod.rs
+++ b/src/builder/mod.rs
@@ -22,3 +22,4 @@ pub use self::import::{import, ImportBuilder};
 pub use self::invoke::Identity;
 pub use self::memory::MemoryBuilder;
 pub use self::module::{module, from_module, ModuleBuilder};
+pub use self::table::{TableBuilder, TableDefinition, TableEntryDefinition};