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-rw-r--r--src/doc/rustdoc/src/advanced-features.md2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/doc/rustdoc/src/advanced-features.md b/src/doc/rustdoc/src/advanced-features.md
index c9a0dff5ab3..8c7926f116b 100644
--- a/src/doc/rustdoc/src/advanced-features.md
+++ b/src/doc/rustdoc/src/advanced-features.md
@@ -46,3 +46,5 @@ pub struct BigX;
 
 Then, when looking for it through the `rustdoc` search, if you enter "x" or
 "big", search will show the `BigX` struct first.
+
+There are some limitations on the doc alias names though: you can't use `"` or whitespace.