Update deploy.md

docs/src/content/ignition/docs/guides/deploy.md

@@ -70,7 +70,7 @@ npx hardhat ignition deploy ignition/modules/Apollo.js --parameters ignition/par
 
 ::::
 
-To pass a `bigint` as a Module parameter, you can encode it as a string. Any string parameter value that matches the regex `/d+n/` will be converted to a `bigint` before being passed to the module, for instance the `endowment` parameter in the following example:
+To pass a `bigint` as a Module parameter, you can encode it as a string. Any string parameter value that matches the regex `/\d+n/` will be converted to a `bigint` before being passed to the module, for instance the `endowment` parameter in the following example:
 
 ```json
 {