diff --git a/11_Spinlocks/README.md b/11_Spinlocks/README.md
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+# Tutorial 11 - Spinlocks
+
+Coming soon!
+
+Will replace the `NullLocks` with real Spinlocks!
diff --git a/12_Interrupts/README.md b/12_Interrupts/README.md
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+# Tutorial 12 - Interrupts
+
+Coming soon!