diff --git a/doc/span.qbk b/doc/span.qbk
index 4057be1..884feff 100644
--- a/doc/span.qbk
+++ b/doc/span.qbk
@@ -38,7 +38,7 @@ and return type use spans.
 
 ```
 auto sha1(boost::span<const unsigned char> input,
-    boost::span<unsigned char, SHA_DIGEST_LENGTH> ouput)
+    boost::span<unsigned char, SHA_DIGEST_LENGTH> output)
 {
     SHA_CTX context;
     SHA1_Init(&context);
diff --git a/include/boost/core/demangle.hpp b/include/boost/core/demangle.hpp
index dc714d8..63e5f7c 100644
--- a/include/boost/core/demangle.hpp
+++ b/include/boost/core/demangle.hpp
@@ -30,7 +30,7 @@
 
 #if defined( BOOST_CORE_HAS_CXXABI_H )
 # include <cxxabi.h>
-// For some archtectures (mips, mips64, x86, x86_64) cxxabi.h in Android NDK is implemented by gabi++ library
+// For some architectures (mips, mips64, x86, x86_64) cxxabi.h in Android NDK is implemented by gabi++ library
 // (https://android.googlesource.com/platform/ndk/+/master/sources/cxx-stl/gabi++/), which does not implement
 // abi::__cxa_demangle(). We detect this implementation by checking the include guard here.
 # if defined( __GABIXX_CXXABI_H__ )
diff --git a/include/boost/core/scoped_enum.hpp b/include/boost/core/scoped_enum.hpp
index 56dd0ed..9267455 100644
--- a/include/boost/core/scoped_enum.hpp
+++ b/include/boost/core/scoped_enum.hpp
@@ -37,7 +37,7 @@ namespace boost
   /**
    * Casts a scoped enum to its underlying type.
    *
-   * This function is useful when working with scoped enum classes, which doens't implicitly convert to the underlying type.
+   * This function is useful when working with scoped enum classes, which doesn't implicitly convert to the underlying type.
    * @param v A scoped enum.
    * @returns The underlying type.
    * @throws No-throws.
diff --git a/test/detail_iterator_test.cpp b/test/detail_iterator_test.cpp
index 0865ec4..bafb476 100644
--- a/test/detail_iterator_test.cpp
+++ b/test/detail_iterator_test.cpp
@@ -31,7 +31,7 @@ using std::distance;
 
 */
 
-// struct C {} doesn't wotk with libc++.
+// struct C {} doesn't work with libc++.
 typedef std::forward_iterator_tag C;
 
 struct T
diff --git a/test/swap/swap_no_ambiguity_in_boost.cpp b/test/swap/swap_no_ambiguity_in_boost.cpp
index 3c91f0c..a17c169 100644
--- a/test/swap/swap_no_ambiguity_in_boost.cpp
+++ b/test/swap/swap_no_ambiguity_in_boost.cpp
@@ -9,7 +9,7 @@
 // objects to be swapped would themselves be from the boost namespace.
 // If so, boost::core::invoke_swap itself might be found by argument dependent lookup.
 // The implementation of boost::core::invoke_swap resolves this issue by giving
-// boost::core::invoke_swap two template argumetns, thereby making it less specialized
+// boost::core::invoke_swap two template arguments, thereby making it less specialized
 // than std::swap.
 
 #include <boost/core/invoke_swap.hpp>
diff --git a/test/swap/swap_specialized_in_global.cpp b/test/swap/swap_specialized_in_global.cpp
index 170f4ec..0d1bdca 100644
--- a/test/swap/swap_specialized_in_global.cpp
+++ b/test/swap/swap_specialized_in_global.cpp
@@ -12,7 +12,7 @@
 //Put test class in the global namespace
 #include "./swap_test_class.hpp"
 
-//Provide swap function in gloabl namespace
+//Provide swap function in global namespace
 void swap(swap_test_class& left, swap_test_class& right)
 {
   left.swap(right);