diff --git a/contracts/LiquidPledging.sol b/contracts/LiquidPledging.sol
index d62c3ac..c809573 100644
--- a/contracts/LiquidPledging.sol
+++ b/contracts/LiquidPledging.sol
@@ -76,7 +76,7 @@ function donate(uint64 idGiver, uint64 idReceiver) payable {
 
     /// @notice Moves value between pledges
     /// @param idSender ID of the giver, delegate or project admin that is transferring
-    ///  the funds from Pledge to Pledge. This admin must have permissions to move the value
+    ///  the funds from Pledge to Pledge; this admin must have permissions to move the value
     /// @param idPledge Id of the pledge that's moving the value
     /// @param amount Quantity of value that's being moved
     /// @param idReceiver Destination of the value, can be a giver sending to a giver or
@@ -263,17 +263,17 @@ function donate(uint64 idGiver, uint64 idReceiver) payable {
 // Multi pledge methods
 ////////
 
-    // This set of functions makes moving a lot of pledges around much more
+    // @dev This set of functions makes moving a lot of pledges around much more
     // efficient (saves gas) than calling these functions in series
     
     
-    // Bit mask used for dividing pledge amounts in Multi pledge methods
+    /// Bit mask used for dividing pledge amounts in Multi pledge methods
     uint constant D64 = 0x10000000000000000;
 
-    /// @notice `mTransfer` allows for multiple pledges to be transfered efficiently
+    /// @notice `mTransfer` allows for multiple pledges to be transferred efficiently
     /// @param idSender ID of the giver, delegate or project admin that is transferring
     ///  the funds from Pledge to Pledge. This admin must have permissions to move the value
-    /// @param amount An array of pledge amounts and IDs which are extrapalated using the D64 bitmask
+    /// @param amount An array of pledge amounts and IDs which are extrapolated using the D64 bitmask
     /// @param idReceiver Destination of the value, can be a giver sending to a giver or
     ///  a delegate, a delegate to another delegate or a project to precommit it to that project
     function mTransfer(uint64 idSender, uint[] pledgesAmounts, uint64 idReceiver) {
@@ -286,7 +286,7 @@ function donate(uint64 idGiver, uint64 idReceiver) payable {
     }
 
     /// @notice `mWithdraw` allows for multiple pledges to be withdrawn efficiently
-    /// @param amount An array of pledge amounts and IDs which are extrapalated using the D64 bitmask
+    /// @param amount An array of pledge amounts and IDs which are extrapolated using the D64 bitmask
     function mWithdraw(uint[] pledgesAmounts) {
         for (uint i = 0; i < pledgesAmounts.length; i++ ) {
             uint64 idPledge = uint64( pledgesAmounts[i] & (D64-1) );
@@ -297,7 +297,7 @@ function donate(uint64 idGiver, uint64 idReceiver) payable {
     }
 
     /// @notice `mConfirmPayment` allows for multiple pledges to be confirmed efficiently
-    /// @param amount An array of pledge amounts and IDs which are extrapalated using the D64 bitmask
+    /// @param amount An array of pledge amounts and IDs which are extrapolated using the D64 bitmask
     function mConfirmPayment(uint[] pledgesAmounts) {
         for (uint i = 0; i < pledgesAmounts.length; i++ ) {
             uint64 idPledge = uint64( pledgesAmounts[i] & (D64-1) );
@@ -308,7 +308,7 @@ function donate(uint64 idGiver, uint64 idReceiver) payable {
     }
 
     /// @notice `mCancelPayment` allows for multiple pledges to be cancelled efficiently
-    /// @param amount An array of pledge amounts and IDs which are extrapalated using the D64 bitmask
+    /// @param amount An array of pledge amounts and IDs which are extrapolated using the D64 bitmask
     function mCancelPayment(uint[] pledgesAmounts) {
         for (uint i = 0; i < pledgesAmounts.length; i++ ) {
             uint64 idPledge = uint64( pledgesAmounts[i] & (D64-1) );
@@ -319,7 +319,7 @@ function donate(uint64 idGiver, uint64 idReceiver) payable {
     }
 
     /// @notice `mNormalizePledge` allows for multiple pledges to be normalized efficiently
-    /// @param amount An array of pledge IDs which are extrapalated using the D64 bitmask
+    /// @param amount An array of pledge IDs which are extrapolated using the D64 bitmask
     function mNormalizePledge(uint[] pledges) returns(uint64) {
         for (uint i = 0; i < pledges.length; i++ ) {
             uint64 idPledge = uint64( pledges[i] & (D64-1) );