diff --git a/.gitignore b/.gitignore
index 10d2316..16e539c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+# Superpowers brainstorming/specs/plans — local only, never commit
+docs/superpowers/
+
 # Miscellaneous
 *.class
 *.log