diff --git a/src/fw/util/dict.h b/src/fw/util/dict.h
index 6fb85f6d..c575f5f2 100644
--- a/src/fw/util/dict.h
+++ b/src/fw/util/dict.h
@@ -460,7 +460,7 @@ typedef void (*DictionaryKeyUpdatedCallback)(const uint32_t key, const Tuple *ne
 
 //! Merges entries from another "source" dictionary into a "destination" dictionary.
 //! All Tuples from the source are written into the destination dictionary, while
-//! updating the exsting Tuples with matching keys.
+//! updating the existing Tuples with matching keys.
 //! @param dest The destination dictionary to update
 //! @param [in,out] dest_max_size_in_out In: the maximum size of buffer backing `dest`. Out: the final size of the updated dictionary.
 //! @param source The source dictionary of which its Tuples will be used to update dest.