diff --git a/builds/runtimes/python-2.6.0 b/builds/runtimes/python-2.6.0
index a1b05b6..353abc6 100755
--- a/builds/runtimes/python-2.6.0
+++ b/builds/runtimes/python-2.6.0
@@ -2,6 +2,8 @@
 # Build Path: /app/.heroku/python/
 # Build Deps: libraries/sqlite
 
+# NOTICE: This formula only works for the cedar stack, not cedar-14.
+
 OUT_PREFIX=$1
 
 # Protect 2.6 builds from parent Python (causes segfault during build).
diff --git a/builds/runtimes/python-2.6.1 b/builds/runtimes/python-2.6.1
index 9bb8592..e32cdff 100755
--- a/builds/runtimes/python-2.6.1
+++ b/builds/runtimes/python-2.6.1
@@ -2,6 +2,8 @@
 # Build Path: /app/.heroku/python/
 # Build Deps: libraries/sqlite
 
+# NOTICE: This formula only works for the cedar stack, not cedar-14.
+
 OUT_PREFIX=$1
 
 # Protect 2.6 builds from parent Python (causes segfault during build).