Fix section level

spec/src/main/asciidoc/expression-language-spec-body.adoc

diff --git a/spec/src/main/asciidoc/expression-language-spec-body.adoc b/spec/src/main/asciidoc/expression-language-spec-body.adoc
index 84ee619..2aab8ea 100644
--- a/spec/src/main/asciidoc/expression-language-spec-body.adoc
+++ b/spec/src/main/asciidoc/expression-language-spec-body.adoc
@@ -1070,7 +1070,7 @@
 
 * If `A` is `false`, evaluate and return `C`
 
-== Elvis Operator - `A ?: B`
+=== Elvis Operator - `A ?: B`
 
 The Elivs operator returns the first operand if that operand is `true`.
 Otherwise, the second operand is returned.
@@ -1081,7 +1081,7 @@
 
 * If `A` is `false`, evaluate and return `B`
 
-== Null coalescing Operator - `A ?? B`
+=== Null coalescing Operator - `A ?? B`
 
 The Null coalescing operator returns the first operand if that operand is non-null.
 Otherwise, the second operand is returned.