all: fix typos in comments (#21118)

internal/jsre/deps/web3.js

@@ -3056,7 +3056,7 @@ ContractFactory.prototype.at = function (address, callback) {
     var contract = new Contract(this.eth, this.abi, address);
 
     // this functions are not part of prototype,
-    // because we dont want to spoil the interface
+    // because we don't want to spoil the interface
     addFunctionsToContract(contract);
     addEventsToContract(contract);
 
@@ -13617,7 +13617,7 @@ module.exports = BigNumber; // jshint ignore:line
 },{}],"web3":[function(require,module,exports){
 var Web3 = require('./lib/web3');
 
-// dont override global variable
+// don't override global variable
 if (typeof window !== 'undefined' && typeof window.Web3 === 'undefined') {
     window.Web3 = Web3;
 }