diff --git a/src/3rdParty/libE57Format/src/Decoder.cpp b/src/3rdParty/libE57Format/src/Decoder.cpp
index 8b4f468a12..48f15b13e0 100644
--- a/src/3rdParty/libE57Format/src/Decoder.cpp
+++ b/src/3rdParty/libE57Format/src/Decoder.cpp
@@ -777,7 +777,7 @@ size_t BitpackIntegerDecoder<RegisterT>::inputProcessAligned( const char *inbuf,
          destBuffer_->setNextInt64( value );
       }
 
-      /// Store the result in next avaiable position in the user's dest buffer
+      /// Store the result in next available position in the user's dest buffer
 
       /// Calc next bit alignment and which word it starts in
       bitOffset += bitsPerRecord_;