diff --git a/README.md b/README.md
index b1170921..57ba19f0 100644
--- a/README.md
+++ b/README.md
@@ -86,7 +86,8 @@ C:\src\vcpkg> .\vcpkg.exe install openssl:x64-windows openssl:x86-windows zlib:x
 cmake -DCMAKE_TOOLCHAIN_FILE=C:\src\vcpkg\scripts\buildsystems\vcpkg.cmake ..
 ```
 
-To build 64-bit `TDLib` using MSVC you will need too additionally specify option `-A x64` to CMake.
+To build 64-bit `TDLib` using MSVC, you will need to additionally specify parameter `-A x64` to CMake.
+To build `TDLib` in Release mode using MSVC, you will need to additionally specify parameter `--config Release` to the `cmake --build .` command.
 
 <a name="linux"></a>
 #### Linux
diff --git a/example/cpp/README.md b/example/cpp/README.md
index 36c34869..9e5de531 100644
--- a/example/cpp/README.md
+++ b/example/cpp/README.md
@@ -20,3 +20,5 @@ cmake --build .
 ```
 
 Documentation for all available classes and methods can be found at https://core.telegram.org/tdlib/docs.
+
+To run `tdjson_example` you may need to manually copy a `tdjson` shared library from `td/bin` to a directory containing built binaries.
diff --git a/example/java/README.md b/example/java/README.md
index 0ef26150..b896ee43 100644
--- a/example/java/README.md
+++ b/example/java/README.md
@@ -11,7 +11,7 @@ cd jnibuild
 cmake -DCMAKE_BUILD_TYPE=Release -DTD_ENABLE_JNI=ON -DCMAKE_INSTALL_PREFIX:PATH=../example/java/td ..
 cmake --build . --target install
 ```
-If you want to compile TDLib for 64-bit Java on Windows, you will also need to add `-G "Visual Studio 14 2015 Win64"` option to CMake.
+If you want to compile TDLib for 64-bit Java on Windows using MSVC, you will also need to add `-A x64` option to CMake.
 
 Then you can build this example:
 ```
@@ -22,7 +22,7 @@ cmake -DCMAKE_BUILD_TYPE=Release -DTd_DIR=<full path to TDLib sources>/example/j
 cmake --build . --target install
 ```
 
-Compiled TDLib shared library and Java example after that will be placed in bin/ and Javadoc documentation in docs/.
+Compiled TDLib shared library and Java example after that will be placed in bin/ and Javadoc documentation in `docs/`.
 
 Now you can run Java example:
 ```
@@ -32,4 +32,4 @@ java -Djava.library.path=. org/drinkless/tdlib/example/Example
 
 If you get "Could NOT find JNI ..." error from CMake, you need to specify to CMake path to the installed JDK, for example, "-DJAVA_HOME=/usr/lib/jvm/java-8-oracle/".
 
-If you get java.lang.UnsatisfiedLinkError with "Can't find dependent libraries", you may also need to copy some dependent shared libraries to bin/.
+If you get java.lang.UnsatisfiedLinkError with "Can't find dependent libraries", you may also need to copy some dependent shared libraries to `bin/`.
diff --git a/td/mtproto/SessionConnection.cpp b/td/mtproto/SessionConnection.cpp
index c53e8107..4b78d783 100644
--- a/td/mtproto/SessionConnection.cpp
+++ b/td/mtproto/SessionConnection.cpp
@@ -123,7 +123,7 @@ namespace mtproto {
  *   20: message is to old -- full resend. (or fail query, if we are afraid of double send)
  *
  *   32: seq_no is too low. (msg_id1 < msg_id2 <==> seq_no1 < seq_no2). Error and fail connection
- *   33: seq_no is too hight. Error and fail connection.
+ *   33: seq_no is too high. Error and fail connection.
  *   34: (?) an even msg_seqno expected (irrelevant message), but odd received. (Fail and call a developer...)
  *   35: (?) odd msg_seqno expected (relevant message), but even received (Fail and call a developer)
  *