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-rw-r--r--doc/security.rdoc2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/security.rdoc b/doc/security.rdoc
index 2a610f1..378699f 100644
--- a/doc/security.rdoc
+++ b/doc/security.rdoc
@@ -75,7 +75,7 @@ They are created when modifying code:
* defining a method (e.g. with +define_method+),
* setting an instance variable (e.g. with +instance_variable_set+),
* creating a variable or constant (e.g. with +const_set+)
-C extensions that have not been updated and are still calling `ID2SYM`
+C extensions that have not been updated and are still calling `SYM2ID`
will create immortal symbols.
Bugs in 2.2.0: +send+ and +__send__+ also created immortal symbols,
and calling methods with keyword arguments could also create some.