diff --git a/exercises/105_threading2.zig b/exercises/105_threading2.zig
index a211551..1330999 100644
--- a/exercises/105_threading2.zig
+++ b/exercises/105_threading2.zig
@@ -1,5 +1,5 @@
 //
-// Now that we are familiar with the principles of multithreading, we
+// Now that we are familiar with the principles of multi threading, we
 // boldly venture into a practical example from mathematics.
 // We will determine the circle number PI with sufficient accuracy.
 //