adjust comment

Signed-off-by: Thomas Naughton <[email protected]>

Author: naughtont3

ompi/errhandler/errcode.c

@@ -449,7 +449,7 @@ int ompi_mpi_errcode_remove(int errnum)
     opal_mutex_unlock(&errcode_lock);
 
     /*
-     * Return lastused value to ensure outside caller has
+     * Return lastused value captured under lock so caller has
      * consistent value to set MPI_LASTUSEDCODE attribute.
      * On error, we return less than zero (e.g., OMPI_ERROR).
      */
@@ -488,7 +488,7 @@ int ompi_mpi_errclass_remove(int errclass)
     opal_mutex_unlock(&errcode_lock);
 
     /*
-     * Return lastused value to ensure outside caller has
+     * Return lastused value captured under lock so caller has
      * consistent value to set MPI_LASTUSEDCODE attribute.
      * On error, we return less than zero (e.g., OMPI_ERROR).
      */