changed the caution paragraph to strong rather than code - so we can see the whole thing
git-svn-id: https://svn.apache.org/repos/asf/incubator/knox/trunk@1569910 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/books/0.4.0/config_preauth_sso_provider.md b/books/0.4.0/config_preauth_sso_provider.md
index f8d701a..d617dba 100644
--- a/books/0.4.0/config_preauth_sso_provider.md
+++ b/books/0.4.0/config_preauth_sso_provider.md
@@ -21,7 +21,7 @@
Knox Gateway needs a pluggable mechanism for consuming these tokens and federating the asserted identity through an interaction with the Hadoop cluster.
- CAUTION: The use of this provider requires that proper network security and identity provider configuration and deployment does not allow requests directly to the Knox gateway. Otherwise, this provider will leave the gateway exposed to identity spoofing.
+**CAUTION: The use of this provider requires that proper network security and identity provider configuration and deployment does not allow requests directly to the Knox gateway. Otherwise, this provider will leave the gateway exposed to identity spoofing.**
#### Configuration ####
##### Overview #####
