#365 Remove extra curly opening bracket in docs.

diff --git a/src/site/asciidoc/manual/lookups.adoc b/src/site/asciidoc/manual/lookups.adoc
index 06b6c6b..528644e 100644
--- a/src/site/asciidoc/manual/lookups.adoc
+++ b/src/site/asciidoc/manual/lookups.adoc
@@ -377,7 +377,7 @@
 ----
 <File name="Application" fileName="application.log">
   <PatternLayout>
-    <pattern>%d %p %c{1.} [%t] $${lower:{${spring:spring.application.name}} %m%n</pattern>
+    <pattern>%d %p %c{1.} [%t] $${lower:${spring:spring.application.name}} %m%n</pattern>
   </PatternLayout>
 </File>
 ----