diff --git a/interfaces/java/interface/helics.java b/interfaces/java/interface/helics.java
index 1b384b7f32..76d8322a8b 100644
--- a/interfaces/java/interface/helics.java
+++ b/interfaces/java/interface/helics.java
@@ -169,6 +169,8 @@ public static SWIGTYPE_p_int32_t helicsDataBufferFillFromString(SWIGTYPE_p_void
   /**
    *  convert a raw string (may contain nulls) to serialized bytesin a buffer<br>
    * @param data the HelicsDataBuffer to fill<br>
+   * @param str the value to serialize into the dataBuffer<br>
+   * @param stringSize the size of the string value to serialize into the dataBuffer<br>
    * @return the buffer size after filling
    */
   public static SWIGTYPE_p_int32_t helicsDataBufferFillFromRawString(SWIGTYPE_p_void data, String str, int stringSize) {
@@ -208,6 +210,8 @@ public static SWIGTYPE_p_int32_t helicsDataBufferFillFromTime(SWIGTYPE_p_void da
   /**
    *  convert a complex pair to serialized bytesin a buffer<br>
    * @param data the HelicsDataBuffer to fill<br>
+   * @param real the real part of the imaginary number to serialize into the dataBuffer<br>
+   * @param imag the imaginary part of the imaginary number to serialize into the dataBuffer<br>
    * @return the buffer size after filling
    */
   public static SWIGTYPE_p_int32_t helicsDataBufferFillFromComplex(SWIGTYPE_p_void data, double real, double imag) {
diff --git a/src/helics/shared_api_library/backup/helics/helics.h b/src/helics/shared_api_library/backup/helics/helics.h
index 9596f0a935..9439aa28ef 100644
--- a/src/helics/shared_api_library/backup/helics/helics.h
+++ b/src/helics/shared_api_library/backup/helics/helics.h
@@ -673,7 +673,8 @@ HELICS_EXPORT int32_t helicsDataBufferFillFromString(HelicsDataBuffer data, cons
 
 /** convert a raw string (may contain nulls) to serialized bytesin a buffer
 * @param data the HelicsDataBuffer to fill
-* @param value the value to serialize into the dataBuffer
+* @param str the value to serialize into the dataBuffer
+@param stringSize the size of the string value to serialize into the dataBuffer
 @return the buffer size after filling
 */
 HELICS_EXPORT int32_t helicsDataBufferFillFromRawString(HelicsDataBuffer data, const char* str, int stringSize);
@@ -701,7 +702,8 @@ HELICS_EXPORT int32_t helicsDataBufferFillFromTime(HelicsDataBuffer data, Helics
 
 /** convert a complex pair to serialized bytesin a buffer
 * @param data the HelicsDataBuffer to fill
-* @param value the value to serialize into the dataBuffer
+* @param real the real part of the imaginary number to serialize into the dataBuffer
+* @param imag the imaginary part of the imaginary number to serialize into the dataBuffer
 @return the buffer size after filling
 */
 HELICS_EXPORT int32_t helicsDataBufferFillFromComplex(HelicsDataBuffer data, double real, double imag);