diff --git a/spec/Section 4 -- Composition.md b/spec/Section 4 -- Composition.md
index 4108a27..05c53c9 100644
--- a/spec/Section 4 -- Composition.md	
+++ b/spec/Section 4 -- Composition.md	
@@ -26,7 +26,7 @@ run in sequence to produce the composite execution schema.
   field and the value is a list of fields from mergeable input types from
   different source schemas with the same name.
 - For each {fields} in {fieldsByName}:
-  - if {InputFieldsAremergeable(fields)} must be true.
+  - {InputFieldsAreMergeable(fields)} must be true.
 
 InputFieldsAreMergeable(fields):