Fix capitalisation of comment.
diff --git a/sdk/core/allocator/main.cc b/sdk/core/allocator/main.cc
index 1cc1aa6..bb21962 100644
--- a/sdk/core/allocator/main.cc
+++ b/sdk/core/allocator/main.cc
@@ -928,7 +928,7 @@
{
// This function requires much less space, but we claim that we require as
// much as `heap_free` so that a call to `heap_free` will not fail due to
- // insufficient stack immediately after `heap_can_Free` has said that it's
+ // insufficient stack immediately after `heap_can_free` has said that it's
// fine.
STACK_CHECK(0x260);
LockGuard g{lock};
