fixup! doc: clarify DiffieHellmanGroup class docs

Author: Linkgoron

doc/api/crypto.md

@@ -1115,9 +1115,9 @@ added: v0.7.5
 -->
 
 The `DiffieHellmanGroup` class takes a well-known modp group as its argument.
-Works the same as `DiffieHellman`, except that it does not allow changing its
-keys after creation - i.e. does not implement `setPublicKey` or `setPrivateKey`
-methods.
+It Works the same as `DiffieHellman`, except that it does not allow changing
+its keys after creation - i.e. it does not implement `setPublicKey` or
+`setPrivateKey` methods.
 
 ```mjs
 const { createDiffieHellmanGroup } = await import('crypto');