grammar fixes for Akuli#15

Akuli · Akuli · commit 2d1b2f1cb050 · 2019-12-31T13:18:24.000+02:00
diff --git a/README.md b/README.md
@@ -59,7 +59,7 @@ section. Most of the techniques explained here are great when you're
 working on a large project, and your code would be really repetitive
 without these things.
 
-You can experient with these things freely, but please **don't use these
+You can experiment with these things freely, but please **don't use these
 techniques just because you know how to use them.** Prefer the simple
 techniques from the Basics part instead when possible. Simple is better
 than complex.
diff --git a/basics/what-is-programming.md b/basics/what-is-programming.md
@@ -104,7 +104,7 @@ should you do if you have a problem with the tutorial?
 1. Try the example code yourself.
 2. Read the code and the explanation for it again.
 3. If there's something you haven't seen before in the tutorial and it's
-    not explained, try to find it from the previous chapters.
+    not explained, try to find it in the previous chapters.
 4. If you can't find what you're looking for or you still have trouble
    understanding the tutorial or any other problems with the tutorial,
    please [tell me about it](../contact-me.md). I want to improve this
