diff --git a/3rdparty/libbitcoin/src/machine/operation.cpp b/3rdparty/libbitcoin/src/machine/operation.cpp
index 98a5c8ce8..f0c1174a6 100644
--- a/3rdparty/libbitcoin/src/machine/operation.cpp
+++ b/3rdparty/libbitcoin/src/machine/operation.cpp
@@ -167,7 +167,7 @@ static bool data_from_number_token(data_chunk& out_data,
     }
 }
 
-// The removal of spaces in v3 data is a compatability break with our v2.
+// The removal of spaces in v3 data is a compatibility break with our v2.
 bool operation::from_string(const std::string& mnemonic)
 {
     reset();
diff --git a/3rdparty/libbitcoin/src/unicode/unicode_streambuf.cpp b/3rdparty/libbitcoin/src/unicode/unicode_streambuf.cpp
index 49999c2fe..4c1d07c59 100644
--- a/3rdparty/libbitcoin/src/unicode/unicode_streambuf.cpp
+++ b/3rdparty/libbitcoin/src/unicode/unicode_streambuf.cpp
@@ -91,7 +91,7 @@ std::streambuf::int_type unicode_streambuf::overflow(
     std::streambuf::int_type character)
 {
     // Add a single explicitly read byte to the buffer.
-    // The narrow buffer is underexposed by 1 byte to accomodate this.
+    // The narrow buffer is underexposed by 1 byte to accommodate this.
     if (character != traits_type::eof())
     {
         *pptr() = static_cast<char>(character);
diff --git a/3rdparty/libbitcoin/src/utility/socket.cpp b/3rdparty/libbitcoin/src/utility/socket.cpp
index 19ddf737f..071d818db 100644
--- a/3rdparty/libbitcoin/src/utility/socket.cpp
+++ b/3rdparty/libbitcoin/src/utility/socket.cpp
@@ -68,7 +68,7 @@ void socket::stop()
     // Critical Section.
     unique_lock lock(mutex_);
 
-    // Signal the end of oustanding async socket functions (read).
+    // Signal the end of outstanding async socket functions (read).
     socket_.shutdown(asio::socket::shutdown_both, ignore);
 
     // BUGBUG: this is documented to fail on Windows XP and Server 2003.