diff --git a/README.md b/README.md
index 3f16741e41286a3f30ee39f4989f4a1f4e2ae269..8dab38b097e702d455b8ad5004b17e23307a6645 100644
--- a/README.md
+++ b/README.md
@@ -208,7 +208,7 @@ cust13 UA23
 ```
 Calling `updateFrequentFlierAirline('UA')` results in `cust10` and `cust13`
 changing to `UA`. `cust11` doesn't change because she flies the most
-on 'SW'. `cust13` doesn't change because she is already listing SW as
+on 'SW'. `cust12` doesn't change because she is already listing UA as
 her  `frequentflieron`.
 
 Save your function to file `function.sql`.