diff --git a/src/lib/ebus/data.h b/src/lib/ebus/data.h
index 720a8e48..c4021a55 100644
--- a/src/lib/ebus/data.h
+++ b/src/lib/ebus/data.h
@@ -104,6 +104,7 @@ class DataField {
 
   /**
    * Return the name of the specified day.
+   * @param day the day (between 0 and 6).
    * @return the name of the specified day.
    */
   static string getDayName(int day);
diff --git a/src/lib/ebus/symbol.h b/src/lib/ebus/symbol.h
index 30d511e0..ed5415ab 100644
--- a/src/lib/ebus/symbol.h
+++ b/src/lib/ebus/symbol.h
@@ -106,6 +106,7 @@ class SymbolString {
    * Return the symbols as hex string.
    * @param unescape whether to unescape an escaped instance.
    * @param skipLastSymbol whether to skip the last symbol (probably the CRC).
+   * @param skipFirstSymbols the number of first symbols to skip.
    * @return the symbols as hex string.
    */
   const string getDataStr(const bool unescape = true, const bool skipLastSymbol = true,