diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..611954f
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,5 @@
+# [1.0.4] - 2024.04.28
+
+**Changed**
+
+* Code refactoring: compound assignments, explicit types, and removed unnecessary parentheses.
diff --git a/PALib/PALib.csproj b/PALib/PALib.csproj
index 9cab820..00029bb 100644
--- a/PALib/PALib.csproj
+++ b/PALib/PALib.csproj
@@ -4,12 +4,14 @@
 		<ImplicitUsings>enable</ImplicitUsings>
 		<GenerateDocumentationFile>true</GenerateDocumentationFile>
 		<PackageId>PracticalAstronomyDotNet</PackageId>
-		<Version>1.0.3</Version>
+		<Version>1.0.4</Version>
 		<Authors>Jim Carr</Authors>
 		<Title>Algorithms from "Practical Astronomy with your Calculator or Spreadsheet"</Title>
 		<Description>
-			This library contains an implementation of the algorithms from the "Practical Astronomy with your Calculator or Spreadsheet" book, authored by Peter Duffet-Smith and Jonathan Zwart.
+			This library contains an implementation of the algorithms from the "Practical Astronomy
+			with your Calculator or Spreadsheet" book, authored by Peter Duffet-Smith and Jonathan
+			Zwart.
 		</Description>
 		<RepositoryUrl>https://github.com/jfcarr-practical-astronomy/practical-astronomy-dotnet</RepositoryUrl>
 	</PropertyGroup>
-</Project>
+</Project>
\ No newline at end of file