diff --git a/README.md b/README.md
index 8aa3880..344a1f9 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,8 @@ An Attitude and Heading Reference System (AHRS) takes information from the Inert
 
  Version 2.3.4 fixed spelling of Mahony. Issue identified by [Martin Budden](https://github.com/martinbudden).
 
+ Version 2.3.5 fixed a bug in complementaryUpdate().
+
  A complete description of this library is available in our Medium article: [Reefwing AHRS Arduino Library for Drones](https://reefwing.medium.com/reefwing-ahrs-arduino-library-for-drones-part-1-6d6457231764).
 
 ## Reefwing IMU Types
diff --git a/src/ReefwingAHRS.cpp b/src/ReefwingAHRS.cpp
index b9fcf6d..c5e8c07 100644
--- a/src/ReefwingAHRS.cpp
+++ b/src/ReefwingAHRS.cpp
@@ -19,7 +19,7 @@
   2.3.2 Improved normalization for Madgwick       31/12/24
   2.3.3 Complementary update enhancements         05/01/25
   2.3.4 Corrected spelling for Mahony             09/01/25
-  2.3.5 Fixed bug in comlementaryUpdate           09/01/25
+  2.3.5 Fixed bug in complementaryUpdate          09/01/25
 
 
   Credits: - The C++ code for our quaternion position update 
diff --git a/src/ReefwingAHRS.h b/src/ReefwingAHRS.h
index 94f2807..95c6459 100644
--- a/src/ReefwingAHRS.h
+++ b/src/ReefwingAHRS.h
@@ -19,7 +19,7 @@
   2.3.2 Improved normalization for Madgwick       31/12/24
   2.3.3 Complementary update enhancements         05/01/25
   2.3.4 Corrected spelling for Mahony             09/01/25
-  2.3.5 Fixed bug in comlementaryUpdate           09/01/25
+  2.3.5 Fixed bug in complementaryUpdate          09/01/25
 
   Credits: - The C++ code for our quaternion position update 
              using the Madgwick Filter is based on the paper,