OSSL_PARAM example code bug fix.

[openssl.git] / doc / man3 / OSSL_trace_set_channel.pod

diff --git a/doc/man3/OSSL_trace_set_channel.pod b/doc/man3/OSSL_trace_set_channel.pod
index 773a6b106417f41024a7e375ddd2d233ddac0f70..cb349674c45b1c04db93eba8baec54af6245b1ee 100644 (file)
--- a/doc/man3/OSSL_trace_set_channel.pod
+++ b/doc/man3/OSSL_trace_set_channel.pod
@@ -176,11 +176,21 @@ point during evaluation.
 
 Traces BIGNUM context operations.
 
+=item C<OSSL_TRACE_CATEGORY_PROVIDER_CONF>
+
+Traces the OSSL_PROVIDER configuration.
+
 =back
 
-There is also C<OSSL_TRACE_CATEGORY_ANY>, which works as a fallback
+There is also C<OSSL_TRACE_CATEGORY_ALL>, which works as a fallback
 and can be used to get I<all> trace output.
 
+Note, however, that in this case all trace output will effectively be
+associated with the 'ALL' category, which is undesirable if the
+application intends to include the category name in the trace output.
+In this case it is better to register separate channels for each
+trace category instead.
+
 =head1 RETURN VALUES
 
 OSSL_trace_set_channel(), OSSL_trace_set_prefix(),