gh-119786: fix typo in `InternalDocs/garbage_collector.md` (#127687)

diff --git a/InternalDocs/garbage_collector.md b/InternalDocs/garbage_collector.md
index 4761f78f3593e376cd3c558d9382a28b554f5c2e..394e4ef075f55e4fd8957de8f6db9d2e3f25cb85 100644 (file)
--- a/InternalDocs/garbage_collector.md
+++ b/InternalDocs/garbage_collector.md
@@ -518,7 +518,7 @@ Then the above algorithm is repeated, starting from step 2.
 Determining how much work to do
 -------------------------------
 
-We need to do a certain amount of work to enusre that garbage is collected,
+We need to do a certain amount of work to ensure that garbage is collected,
 but doing too much work slows down execution.
 
 To work out how much work we need to do, consider a heap with `L` live objects