diff --git a/docs/customization.md b/docs/customization.md
index 835bf56beef..23a712105a3 100644
--- a/docs/customization.md
+++ b/docs/customization.md
@@ -557,7 +557,7 @@ Example:
 java -jar modules/openapi-generator-cli/target/openapi-generator-cli.jar generate -g java -i modules/openapi-generator/src/test/resources/3_0/enableKeepOnlyFirstTagInOperation_test.yaml -o /tmp/java-okhttp/ --openapi-normalizer KEEP_ONLY_FIRST_TAG_IN_OPERATION=true
 ```
 
-- `SET_TAGS_FOR_ALL_OPERATIONS`: when set to a string value, tags in all operatinos will reset to the string value provided.
+- `SET_TAGS_FOR_ALL_OPERATIONS`: when set to a string value, tags in all operations will reset to the string value provided.
 
 Example:
 ```