Fix ODIN_NO_RTTI name.

content/docs/overview.md

@@ -2956,7 +2956,7 @@ Here is a comprehensive list of them:
 | `ODIN_TEST`                         | `true` if the code is being compiled via an invocation of `odin test`.                                                                                                                  |
 | `ODIN_NO_ENTRY_POINT`               | `true` if `-no-entry-point` command line switch is passed, which makes the declaration of a `main` procedure optional.                                                                  |
 | `ODIN_FOREIGN_ERROR_PROCEDURES`     | `true` if `-foreign-error-procedures` command line switch is passed, which inhibits generation of runtime error procedures, so that they can be in a separate compilation unit.         |
-| `ODIN_DISALLOW_RTTI`                | `true` if `-disallow-rtti` command line switch is passed, which inhibits generation of full Runtime Type Information.                                                                   |
+| `ODIN_NO_RTTI`                      | `true` if `-disallow-rtti` command line switch is passed, which inhibits generation of full Runtime Type Information.                                                                   |
 | `ODIN_ROOT`                         | Path to the folder containing the Odin compiler executable.                                                                                                                             |
 | `ODIN_BUILD_PROJECT_NAME`           | Name of the folder that contains the entry point.                                                                                                                                       |
 | `ODIN_VENDOR`                       | String which identifies the compiler being used. The official compiler sets this to `"odin"`.                                                                                           |