doc: Correct reference to the debug_dir option

diff --git a/doc/MANUAL.adoc b/doc/MANUAL.adoc
index 2f21481e7b0f5c618694d6127925ca4ba948c139..c63b91c64ba20787ca6f4dbbf1acb5bf50bbca4b 100644 (file)
--- a/doc/MANUAL.adoc
+++ b/doc/MANUAL.adoc
@@ -1552,7 +1552,7 @@ Log for this object file.
 
 |==============================================================================
 
-If <<config_debug_dir,*config_dir*>> (environment variable `CCACHE_DEBUGDIR`) is
+If <<config_debug_dir,*debug_dir*>> (environment variable `CCACHE_DEBUGDIR`) is
 set, the files above will be written to that directory with full absolute paths
 instead of next to the object file.