Update security.md (electron#27449)

fytriht · web-flow · commit b11c5533e83c · 2021-01-25T10:27:29.000+09:00
diff --git a/docs/tutorial/security.md b/docs/tutorial/security.md
@@ -758,7 +758,7 @@ possible through the modules you allow past the filter.
 const readOnlyFsProxy = require(/* ... */) // exposes only file read functionality
 
 const allowedModules = new Set(['crypto'])
-const proxiedModules = new Map(['fs', readOnlyFsProxy])
+const proxiedModules = new Map([['fs', readOnlyFsProxy]])
 const allowedElectronModules = new Set(['shell'])
 const allowedGlobals = new Set()
 
