diff --git a/doc/api-1.6.0-changes.odt b/doc/api-1.6.0-changes.odt
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diff --git a/doc/api-1.6.2-changes.txt b/doc/api-1.6.2-changes.txt
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-PBX changes
------------
- * If you use ast_build_timing() in your application, you should start calling
-   ast_destroy_timing() upon destruction of the structure, to avoid a memory
-   leak.
-