diff --git a/doc/src/challenges/0001-core-transmutation.md b/doc/src/challenges/0001-core-transmutation.md
index 3a71c0c12ff29..5c406e958de8a 100644
--- a/doc/src/challenges/0001-core-transmutation.md
+++ b/doc/src/challenges/0001-core-transmutation.md
@@ -144,3 +144,6 @@ The list of methods and intrinsics was gathered by surveying the call-graph (sol
 As mentioned in the assumptions, some (large) classes of methods were omitted from the challenge, either because 1. they encompassed a large API surface (e.g. `core::num`) that deserved separate treatment, 2. they had an enormous number of callers that would deserve separate treatment (e.g. `core::str::from_utf8_unchecked`), or 3. they interact with aspects of the Rust memory model that still need to be better understood by reasoning tools (e.g. the provenance APIs).
 
 You can see the [call graph produced by the survey here](https://hackmd.io/PYQNIL_aTxK0N6-AltxfbQ).
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+blah blah blah.