diff --git a/csharp/PhoneNumbers.Test/PhoneNumbers.Test.csproj b/csharp/PhoneNumbers.Test/PhoneNumbers.Test.csproj
index 240d320ac..8a0323fe8 100644
--- a/csharp/PhoneNumbers.Test/PhoneNumbers.Test.csproj
+++ b/csharp/PhoneNumbers.Test/PhoneNumbers.Test.csproj
@@ -22,7 +22,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <EmbeddedResource Include="..\..\resources\PhoneNumberMetaDataForTesting.xml" />
+    <EmbeddedResource Include="..\..\resources\PhoneNumberMetadataForTesting.xml" />
     <EmbeddedResource Include="..\..\resources\test\geocoding\**" LinkBase="geocoding" />
   </ItemGroup>
 
diff --git a/csharp/PhoneNumbers.Test/TestMetadataTestCase.cs b/csharp/PhoneNumbers.Test/TestMetadataTestCase.cs
index 78c651145..b500b3765 100644
--- a/csharp/PhoneNumbers.Test/TestMetadataTestCase.cs
+++ b/csharp/PhoneNumbers.Test/TestMetadataTestCase.cs
@@ -27,6 +27,6 @@ namespace PhoneNumbers.Test
     */
     public class TestMetadataTestCase
     {
-        public static readonly PhoneNumberUtil PhoneUtil = new PhoneNumberUtil("PhoneNumberMetaDataForTesting.xml", typeof(TestMetadataTestCase).Assembly);
+        public static readonly PhoneNumberUtil PhoneUtil = new PhoneNumberUtil("PhoneNumberMetadataForTesting.xml", typeof(TestMetadataTestCase).Assembly);
     }
 }
diff --git a/csharp/PhoneNumbers/MetadataManager.cs b/csharp/PhoneNumbers/MetadataManager.cs
index 79a4d27e6..5e84020f5 100644
--- a/csharp/PhoneNumbers/MetadataManager.cs
+++ b/csharp/PhoneNumbers/MetadataManager.cs
@@ -22,7 +22,7 @@ namespace PhoneNumbers
     /**
     * Class encapsulating loading of PhoneNumber Metadata information. Currently this is used only for
     * additional data files such as PhoneNumberAlternateFormats, but in the future it is envisaged it
-    * would handle the main metadata file (PhoneNumberMetaData.xml) as well.
+    * would handle the main metadata file (PhoneNumberMetadata.xml) as well.
     *
     * @author Lara Rennie
     */
diff --git a/csharp/PhoneNumbers/PhoneNumberUtil.cs b/csharp/PhoneNumbers/PhoneNumberUtil.cs
index 7ce378e52..3b5c8b4d9 100644
--- a/csharp/PhoneNumbers/PhoneNumberUtil.cs
+++ b/csharp/PhoneNumbers/PhoneNumberUtil.cs
@@ -54,7 +54,7 @@ public class PhoneNumberUtil
         // We don't allow input strings for parsing to be longer than 250 chars. This prevents malicious
         // input from overflowing the regular-expression engine.
         private const int MAX_INPUT_STRING_LENGTH = 250;
-        internal const string META_DATA_FILE_PREFIX = "PhoneNumberMetaData.xml";
+        internal const string META_DATA_FILE_PREFIX = "PhoneNumberMetadata.xml";
         internal const string UNKNOWN_REGION = "ZZ";
 
         // A mapping from a country calling code to the region codes which denote the region represented
diff --git a/csharp/PhoneNumbers/PhoneNumbers.csproj b/csharp/PhoneNumbers/PhoneNumbers.csproj
index a8295fee6..219e339be 100644
--- a/csharp/PhoneNumbers/PhoneNumbers.csproj
+++ b/csharp/PhoneNumbers/PhoneNumbers.csproj
@@ -27,7 +27,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <EmbeddedResource Include="..\..\resources\*.xml" Exclude="..\..\resources\PhoneNumberMetaDataForTesting.xml" />
+    <EmbeddedResource Include="..\..\resources\*.xml" Exclude="..\..\resources\PhoneNumberMetadataForTesting.xml" />
     <EmbeddedResource Include="..\..\resources\geocoding\**" LinkBase="geocoding" />
   </ItemGroup>