diff --git a/content/thoughts/things-i-learnt-the-hard-way.md b/content/thoughts/things-i-learnt-the-hard-way.md
index b8a3d0e..9225188 100644
--- a/content/thoughts/things-i-learnt-the-hard-way.md
+++ b/content/thoughts/things-i-learnt-the-hard-way.md
@@ -18,7 +18,7 @@ different jobs.
 
 ### Spec first, then code
 
-If you don't what you're trying to solve, you don't know what to code.
+If you don't know what you're trying to solve, you don't know what to code.
 
 Write something specifying how the application works before writing any code.