Fix typo

00002.md

@@ -4,7 +4,7 @@
  (>vv<)      " "   
                    
      \             
-...and that's how a became a YAML engineer. 
+...and that's how I became a YAML engineer. 
 ```
 
 

src/00002.txt

@@ -1,3 +1,3 @@
-...and that's how a became a YAML engineer.
+...and that's how I became a YAML engineer.
 ---
 To be honest, I'm not sure it's a real job either. But they keep giving me YAML and I keep ENGINEERING it!