diff --git a/platform/CircularBuffer.h b/platform/CircularBuffer.h
index 97b1f6e593..b4278d4fba 100644
--- a/platform/CircularBuffer.h
+++ b/platform/CircularBuffer.h
@@ -24,7 +24,7 @@ namespace mbed {
 /** Templated Circular buffer class
  *
  *  @Note Synchronization level: Interrupt safe
- *  @ingroup plaftorm
+ *  @ingroup platform
  */
 template<typename T, uint32_t BufferSize, typename CounterType = uint32_t>
 class CircularBuffer {