diff --git a/CHANGELOG.md b/CHANGELOG.md
index 43b86a943c..56617abc91 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -143,3 +143,4 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (docs) [\#490](https://github.com/line/lbm-sdk/pull/490) update documents on x/consortium
 * (docs) [\#602](https://github.com/line/lbm-sdk/pull/602) update outdated events in specs
 * (docs) [\#721](https://github.com/line/lbm-sdk/pull/721) update x/foundation specification
+* (docs) [\#748](https://github.com/line/lbm-sdk/pull/748) add `GovMint` to x/foundation specification
diff --git a/x/foundation/README.md b/x/foundation/README.md
index 16c17b437d..1f5c69a1a1 100644
--- a/x/foundation/README.md
+++ b/x/foundation/README.md
@@ -31,6 +31,7 @@ back these foundation-specific functionalities.
     * [Msg/Revoke](#msgrevoke)
     * [Msg/FundTreasury](#msgfundtreasury)
     * [Msg/WithdrawFromTreasury](#msgwithdrawfromtreasury)
+    * [Msg/GovMint](#msggovmint)
 * [Events](#events)
     * [EventUpdateFoundationParams](#eventupdatefoundationparams)
     * [EventUpdateDecisionPolicy](#eventupdatedecisionpolicy)
@@ -44,6 +45,7 @@ back these foundation-specific functionalities.
     * [EventRevoke](#eventrevoke)
     * [EventFundTreasury](#eventfundedtreasury)
     * [EventWithdrawFromTreasury](#eventwithdrawedfromtreasury)
+    * [EventGovMint](#eventgovmint)
 * [Client](#client)
     * [CLI](#cli)
     * [gRPC](#grpc)
@@ -262,6 +264,12 @@ sending the message `Msg/WithdrawFromTreasury`.
 value again (irreversible), which means you must set it to a non-zero value in
 the genesis to make it work.
 
+## GovMint
+
+When the chain is first started, it may be necessary to mint a large amount of 
+coins at most once for initial validators or for specific purposes. Newly minted
+coins are transferred to the treasury pool.
+
 # State
 
 ## Params
@@ -476,7 +484,7 @@ Anyone can fund treasury with `MsgFundTreasury`.
 
 +++ https://github.com/line/lbm-sdk/blob/392277a33519d289154e8da27f05f9a6788ab076/proto/lbm/foundation/v1/tx.proto#L76-L81
 
-## Msg/WithdrawFromTresury
+## Msg/WithdrawFromTreasury
 
 The foundation can withdraw coins from the treasury with
 `MsgWithdrawFromTreasury`.
@@ -489,6 +497,17 @@ The message handling should fail if:
 * the address which receives the coins has no authorization of
   `ReceiveFromTreasuryAuthorization`.
 
+## Msg/GovMint
+
+Massive minting is possible through 'MsgGovMint' up to 1 time after the chain is started.
+
++++ https://github.com/line/lbm-sdk/blob/66988a235a0e01f7a1ee76d719d585ff35f0d176/proto/lbm/foundation/v1/tx.proto#L221-L225
+
+The message handling should fail if:
+
+* the authority is not the module's authority.
+* The remaining left count is 0.
+
 # Events
 
 ## EventUpdateFoundationParams
@@ -598,6 +617,14 @@ the treasury.
 | to            | {toAddress}     |
 | amount        | {amount}        |
 
+## EventGovMint
+
+`EventGovMint` is an event emitted when coins are minted.
+
+| Attribute Key | Attribute Value |
+|---------------|-----------------|
+| amount        | {amount}        |
+
 # Client
 
 ## CLI