fix installation

Author: xkhainguyen

docs/get-started/installation.md

@@ -21,14 +21,21 @@ To get started simply choose your language interface and follow the easy install
 
     `git clone https://github.com/TinyMPC/TinyMPC.git`
 
-    Build TinyMPC from source
+    Navigate to root directory and run
 
-    `cd TinyMPC & cmake -S. - Bbuild & cmake --build build`
+    `cd TinyMPC && mkdir build && cd build`
 
-    Run an example
+    Run CMake configure step
+
+    `cmake ..`
 
-    `./build/examples/quadrotor_hovering`
+    Build TinyMPC
+    
+    `cmake --build .`
 
+    Run an example
+
+    `./examples/quadrotor_hovering`
 
 === "Python"
 
@@ -42,7 +49,6 @@ To get started simply choose your language interface and follow the easy install
 
     Run the `interactive_cartpole.ipynb` example
 
-
 === "Julia"
 
     Clone the GitHub repository with submodule