diff --git a/website/docs/api/bigint-money/createBigIntMoney/add.md b/website/docs/api/bigint-money/createBigIntMoney/add.md
index 3e2aac1..5207539 100644
--- a/website/docs/api/bigint-money/createBigIntMoney/add.md
+++ b/website/docs/api/bigint-money/createBigIntMoney/add.md
@@ -20,6 +20,10 @@ Additions can be performed using add().
 
 `money` ([BigIntMoneyBase](Description.md#bigintmoneybase))
 
+#### Throws
+
+`TypeError` - throws if currencies aren't identical
+
 
 **Example**
 
diff --git a/website/docs/api/bigint-money/createBigIntMoney/methods.md b/website/docs/api/bigint-money/createBigIntMoney/methods.md
index 37b4cb1..bbb3f46 100644
--- a/website/docs/api/bigint-money/createBigIntMoney/methods.md
+++ b/website/docs/api/bigint-money/createBigIntMoney/methods.md
@@ -19,6 +19,10 @@ Additions can be performed using add().
 
 `money` ([BigIntMoneyBase](Description.md#bigintmoneybase))
 
+#### Throws
+
+`TypeError` - throws if currencies aren't identical
+
 
 **Example**
 
@@ -548,4 +552,4 @@ const result = money.subtract(money2);
 result.getAmount();
 // => -1n
 
-```
\ No newline at end of file
+```
diff --git a/website/docs/api/bignumber.js/createBigNumberMoney/add.md b/website/docs/api/bignumber.js/createBigNumberMoney/add.md
index 1cd6add..889549f 100644
--- a/website/docs/api/bignumber.js/createBigNumberMoney/add.md
+++ b/website/docs/api/bignumber.js/createBigNumberMoney/add.md
@@ -19,6 +19,10 @@ Additions can be performed using add().
 
 `money` ([MoneyBase](Description.md#moneybase))
 
+#### Throws
+
+`TypeError` - throws if currencies aren't identical
+
 #### Example
 
 ```js
diff --git a/website/docs/api/bignumber.js/createBigNumberMoney/methods.md b/website/docs/api/bignumber.js/createBigNumberMoney/methods.md
index 55eae30..fe9a0b7 100644
--- a/website/docs/api/bignumber.js/createBigNumberMoney/methods.md
+++ b/website/docs/api/bignumber.js/createBigNumberMoney/methods.md
@@ -43,6 +43,10 @@ Additions can be performed using add().
 
 `money` ([MoneyBase](Description.md#moneybase))
 
+#### Throws
+
+`TypeError` - throws if currencies aren't identical
+
 #### Example
 
 ```js