Update exception-safety.md

Fix variable name typo

diff --git a/src/doc/nomicon/src/exception-safety.md b/src/doc/nomicon/src/exception-safety.md
index 80e72cd5e36c94404ab2b2be8da6c3e7a20ebf02..0fb98a617688e7a97c2b603570bcf00cebfcf4ef 100644 (file)
--- a/src/doc/nomicon/src/exception-safety.md
+++ b/src/doc/nomicon/src/exception-safety.md
@@ -93,7 +93,7 @@ uselessly. We would rather have the following:
 ```text
 bubble_up(heap, index):
     let elem = heap[index]
-    while index != 0 && element < heap[parent(index)]:
+    while index != 0 && elem < heap[parent(index)]:
         heap[index] = heap[parent(index)]
         index = parent(index)
     heap[index] = elem