cosmetic: logging.h: fix comment s/levels/subsystems
Change-Id: I242a4a44649bc4dac055985ba8fd63b2f784ee6d
diff --git a/include/osmocom/core/logging.h b/include/osmocom/core/logging.h
index 75650ba..79eec10 100644
--- a/include/osmocom/core/logging.h
+++ b/include/osmocom/core/logging.h
@@ -105,7 +105,7 @@
#define LOGL_ERROR 7 /*!< error condition, requires user action */
#define LOGL_FATAL 8 /*!< fatal, program aborted */
-/* logging levels defined by the library itself */
+/* logging subsystems defined by the library itself */
#define DLGLOBAL -1 /*!< global logging */
#define DLLAPD -2 /*!< LAPD implementation */
#define DLINP -3 /*!< (A-bis) Input sub-system */