diff --git a/spring-graphql/src/main/java/org/springframework/graphql/execution/SchemaMappingInspector.java b/spring-graphql/src/main/java/org/springframework/graphql/execution/SchemaMappingInspector.java
index 1ac9f39f..bb68dbac 100644
--- a/spring-graphql/src/main/java/org/springframework/graphql/execution/SchemaMappingInspector.java
+++ b/spring-graphql/src/main/java/org/springframework/graphql/execution/SchemaMappingInspector.java
@@ -123,7 +123,7 @@ public final class SchemaMappingInspector {
 
 	/**
 	 * Perform an inspection and create a {@link SchemaReport}.
-	 * The inspection is one once only, during the first call to this method.
+	 * The inspection is done once only, during the first call to this method.
 	 */
 	public SchemaReport getOrCreateReport() {
 		if (this.report == null) {