diff --git a/docs/src/manual/debugging.md b/docs/src/manual/debugging.md
index 9df7bd1cd..6ab3ca387 100644
--- a/docs/src/manual/debugging.md
+++ b/docs/src/manual/debugging.md
@@ -59,8 +59,8 @@ fix that layer and see what happens:
 
 ```julia
 model = Chain(Dense(1 => 16, relu),
-    Chain(Dense(16 => 3),  // [!code --]
-    Chain(Dense(16 => 1),  // [!code ++]
+    Chain(Dense(16 => 3),  # [!code --]
+    Chain(Dense(16 => 1),  # [!code ++]
         Dense(1 => 1)),
     BatchNorm(1); disable_optimizations=true)
 ```