diff --git a/config.h b/config.h
index aa4ecdbc..e30df8b4 100644
--- a/config.h
+++ b/config.h
@@ -120,7 +120,7 @@
 
 // Define this if ARMv8 shifts are slow. ARM Cortex-A53 and Cortex-A57 shift
 // operation perform poorly, so NEON and ASIMD code that relies on shifts
-// or rotates often performs worse than regular C/C++ code. Also see
+// or rotates often performs worse than C/C++ code. Also see
 // http://github.com/weidai11/cryptopp/issues/367.
 #define CRYPTOPP_SLOW_ARMV8_SHIFT 1
 
@@ -174,7 +174,7 @@
 ///     <li>Weak - namespace for weak and wounded algorithms, like ARC4, MD5 and Pananma
 ///   </ul>
 namespace CryptoPP { }
-// Bring in the symbols fund in the weak namespace; and fold Weak1 into Weak
+// Bring in the symbols found in the weak namespace; and fold Weak1 into Weak
 #		define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1
 #		define Weak1 Weak
 // Avoid putting "CryptoPP::" in front of everything in Doxygen output
diff --git a/kalyna.h b/kalyna.h
index f5bc1bb1..43e54bd0 100644
--- a/kalyna.h
+++ b/kalyna.h
@@ -53,7 +53,7 @@ struct CRYPTOPP_NO_VTABLE Kalyna512_Info : public FixedBlockSize<64>, FixedKeyLe
     }
 };
 
-/// \brief Kalyna block cipher
+/// \brief Kalyna block cipher base class
 /// \since Crypto++ 6.0
 class CRYPTOPP_NO_VTABLE Kalyna_Base
 {
@@ -68,6 +68,9 @@ protected:
     unsigned int     m_kl, m_nb, m_nk;   // number 64-bit blocks and keys
 };
 
+/// \brief Kalyna 128-bit block cipher
+/// \details Kalyna128 provides 128-bit block size. The valid key sizes are 128-bit and 256-bit.
+/// \since Crypto++ 6.0
 class Kalyna128 : public Kalyna128_Info, public BlockCipherDocumentation
 {
 public:
@@ -108,6 +111,9 @@ public:
     typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
 };
 
+/// \brief Kalyna 256-bit block cipher
+/// \details Kalyna256 provides 256-bit block size. The valid key sizes are 256-bit and 512-bit.
+/// \since Crypto++ 6.0
 class Kalyna256 : public Kalyna256_Info, public BlockCipherDocumentation
 {
 public:
@@ -148,6 +154,9 @@ public:
     typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
 };
 
+/// \brief Kalyna 512-bit block cipher
+/// \details Kalyna512 provides 512-bit block size. The valid key size is 512-bit.
+/// \since Crypto++ 6.0
 class Kalyna512 : Kalyna512_Info, public BlockCipherDocumentation
 {
 public: