Fix typos on the website (#735)

Author: illuminator3

src/main/resources/public/index.html

@@ -126,9 +126,9 @@ <h2>We help you land a job! <img src="images/peepo_heart.png" alt=""
             <div class="content">
                 <div class="inner">
                     <h2>Code together <img src="images/peepo_fancy.png" alt="" width="70"/></h2>
-                    <p>Collaborate to our community bot and gain practice experience on a real
+                    <p>Collaborate on our community bot and gain practice experience on a real
                         project.</p>
-                    <p>The project is big, sophisticated and most importantly beginner-friendly with
+                    <p>The project is big, sophisticated, and most importantly beginner-friendly with
                         lots of guides.
                     </p>
                     <ul class="actions">
@@ -158,7 +158,7 @@ <h2>Our partnerships</h2>
                                                         width="70"/></span>
                     <h3><a href="https://www.jetbrains.com">JetBrains</a></h3>
                     <p>We will frequently <strong>give away licenses</strong> to their products,
-                        such as <strong>Intellij
+                        such as <strong>IntelliJ
                             IDEA
                             Ultimate</strong> <img src="images/intellij.png" alt="" width="30"/> on
                         special
@@ -175,8 +175,7 @@ <h3><a href="https://www.cloud-builders.tech">Cloud Builders</a></h3>
                     <p>Hosting free Java conferences with expert speakers and many exciting
                         talks.</p>
                     <p>All profits go to Ukrainian charity funds
-                        <span style="white-space: nowrap;">💙💛</span>
-                        .
+                        <span style="white-space: nowrap;">💙💛</span>.
                     </p>
                 </section>
                 <section>
@@ -196,7 +195,7 @@ <h3><a href="https://adventofcode.com/">Advent of Code</a></h3>
                     <h3><a href="https://java-programming.mooc.fi/">MOOC: Java Programming</a></h3>
                     <p>Hands down the best complete and free resource to learn Java.</p>
                     <p>The University of Helsinki created this course, and they use it to teach
-                        their Students programming. It comes with 14 weekly parts and exercises.</p>
+                        their students programming. It comes with 14 weekly parts and exercises.</p>
                 </section>
             </div>
         </div>