Fixed some typos and a bug

dotnet/src/Ciphertext.cs

@@ -650,7 +650,7 @@ namespace Microsoft.Research.SEAL
         /// <summary>
         /// Returns a reference to the correction factor. This is only needed when using the
         /// BGV encryption scheme. The user should have little or no reason to ever
-        /// change the scale by hand.
+        /// change the correction factor by hand.
         /// </summary>
         public ulong CorrectionFactor
         {

native/src/seal/ciphertext.h

@@ -653,7 +653,7 @@ namespace seal
 
         /**
         Returns a reference to the correction factor. This is only needed when using the BGV encryption scheme. The user
-        should have little or no reason to ever change the scale by hand.
+        should have little or no reason to ever change the correction factor by hand.
         */
         SEAL_NODISCARD inline std::uint64_t &correction_factor() noexcept
         {

native/src/seal/evaluator.cpp

@@ -1590,7 +1590,7 @@ namespace seal
             throw invalid_argument("pool is uninitialized");
         }
 
-        mod_reduce_to_next(encrypted, encrypted, std::move(pool));
+        mod_switch_drop_to_next(encrypted, encrypted, std::move(pool));
 #ifdef SEAL_THROW_ON_TRANSPARENT_CIPHERTEXT
         // Transparent ciphertext output is not allowed.
         if (encrypted.is_transparent())