Apply suggestions from code review

Author: Arlodotexe

src/CoreApi/AddFileOptions.cs

@@ -98,12 +98,12 @@ public class AddFileOptions
         public IProgress<TransferProgress>? Progress { get; set; }
 
         /// <summary>
-        /// Flag for no cache argument
+        /// Add the file using filestore. Implies raw-leaves.
         /// </summary>
         public bool? NoCopy {get; set; } 
 
          /// <summary>
-        /// Flag for fs cache argument
+        /// Check the filestore for pre-existing blocks. 
         /// </summary>
         public bool? FsCache{get; set; }
     }

src/CoreApi/IFilestoreApiObjectResponse.cs

@@ -28,15 +28,15 @@ public interface IFilestoreApiObjectResponse
         public string Size { get; set; }
 
         /// <summary>
-        /// The object status.k
+        /// The object status.
         /// </summary>
         public string Status { get; set; }
     }
 
     /// <summary>
     /// Model for the hold filestore key
     /// </summary>
-    public interface IFilesStoreKey
+    public interface IFilestoreKey
     {
         /// <summary>
         /// Key value.