diff --git a/exercises/105_threading2.zig b/exercises/105_threading2.zig
index 94a2c71..7ca8f5c 100644
--- a/exercises/105_threading2.zig
+++ b/exercises/105_threading2.zig
@@ -104,4 +104,4 @@ fn thread_pi(pi: *f64, begin: u64, end: u64) !void {
 // to such an extent that seconds become minutes during execution.
 //
 // And you should remove the formatting restriction in "print",
-// otherwise you will not be able to see the additional diggits.
+// otherwise you will not be able to see the additional digits.