Typing error fix up.
@@ -203,7 +203,7 @@ without trailing ':'. The returned value must be free(2)d by the caller.
A power\-user interface that lets you specify an unbound config file, see
\fIunbound.conf\fR(5), which is read for configuration. Not all options are
relevant. For some specific options, such as adding trust anchors, special
-routines exist. This function is thread-save only if a single instance of
+routines exist. This function is thread\-safe only if a single instance of
ub_ctx* exists in the application, If several instances exist the
application has to ensure that ub_ctx_config is not called in parallel by
the different instances.
