docs: fix typos in index es6 and build script (#2650)

Author: Haroenv

index.es6.js

@@ -16,19 +16,19 @@ const instantSearchFactory = Object.assign(toFactory(InstantSearch), {
 
 Object.defineProperty(instantSearchFactory, 'widgets', {
   get() {
-    throw new ReferenceError(`
-      You can't access to 'instantsearch.widgets' directly from the ES6 build.
-      Import the widgets this way "import { searchBox } from 'instantsearch.js/es/widgets'"
-    `);
+    throw new ReferenceError(
+      `You can't access 'instantsearch.widgets' directly from the ES6 build.
+Import the widgets this way: 'import {SearchBox} from "instantsearch.js/es/widgets"'`
+    );
   },
 });
 
 Object.defineProperty(instantSearchFactory, 'connectors', {
   get() {
-    throw new ReferenceError(`
-      You can't access to 'instantsearch.connectors' directly from the ES6 build.
-      Import the connectors this way "import { connectSearchBox } from 'instantsearch.js/es/connectors'"
-    `);
+    throw new ReferenceError(
+      `You can't access 'instantsearch.connectors' directly from the ES6 build.
+Import the connectors this way: 'import {connectSearchBox} from "instantsearch.js/es/connectors"'`
+    );
   },
 });
 

scripts/build.sh

@@ -12,7 +12,7 @@ csso dist/instantsearch-theme-algolia.css dist/instantsearch-theme-algolia.min.c
 
 wait
 
-printf "dist/instantsearch.min.js gzipped will weight `cat dist/instantsearch.min.js | gzip -9 | wc -c | pretty-bytes`\n\n"
+printf "dist/instantsearch.min.js gzipped will weigh `cat dist/instantsearch.min.js | gzip -9 | wc -c | pretty-bytes`\n\n"
 
 echo "➡️  Bundle instantsearch.js to ES5 build './dist-es5-module' via babel-cli"
 BABEL_ENV=production babel -q index.js -o dist-es5-module/index.js &