diff --git a/docs/src/main/asciidoc/config-reference.adoc b/docs/src/main/asciidoc/config-reference.adoc
index 0245a3f651e93..e539aa6fb152b 100644
--- a/docs/src/main/asciidoc/config-reference.adoc
+++ b/docs/src/main/asciidoc/config-reference.adoc
@@ -363,7 +363,7 @@ Additionally, the Expression Expansion engine supports the following segments:
 
 If an expression cannot be expanded and no default is supplied a `NoSuchElementException` is thrown.
 
-NOTE: Expresions lookups are performed in all config sources. The expression values and expansion values may reside in
+NOTE: Expressions lookups are performed in all config sources. The expression values and expansion values may reside in
 different config sources.
 
 === With Environment Variables