15 files changed, 16 insertions, 16 deletions
diff --git a/libraries/base/Data/Semigroup/Internal.hs b/libraries/base/Data/Semigroup/Internal.hs
index 4f75afccb5..4ce73d0c05 100644
--- a/libraries/base/Data/Semigroup/Internal.hs
+++ b/libraries/base/Data/Semigroup/Internal.hs
@@ -4,7 +4,7 @@
 {-# LANGUAGE PolyKinds #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 
--- | Auxilary definitions for 'Semigroup'
+-- | Auxiliary definitions for 'Semigroup'
 --
 -- This module provides some @newtype@ wrappers and helpers which are
 -- reexported from the "Data.Semigroup" module or imported directly
diff --git a/libraries/base/GHC/ExecutionStack/Internal.hsc b/libraries/base/GHC/ExecutionStack/Internal.hsc
index 9f9e979af9..7db1e86ff7 100644
--- a/libraries/base/GHC/ExecutionStack/Internal.hsc
+++ b/libraries/base/GHC/ExecutionStack/Internal.hsc
@@ -150,7 +150,7 @@ stackFrames st@(StackTrace fptr) = unsafePerformIO $ withSession $ \sess -> do
     unknown symbols). I think this is a reasonable price to pay, however, as
     module loading/unloading is a rather rare event.
 
-    Morover, we stand to gain a great deal by lazy lookups as the stack frames
+    Moreover, we stand to gain a great deal by lazy lookups as the stack frames
     may never even be requested, meaning the only effort wasted is the
     collection of the stack frames themselves.
 
diff --git a/libraries/base/GHC/IO/Encoding.hs b/libraries/base/GHC/IO/Encoding.hs
index 735c1b0a37..d607b7e7b5 100644
--- a/libraries/base/GHC/IO/Encoding.hs
+++ b/libraries/base/GHC/IO/Encoding.hs
@@ -82,7 +82,7 @@ utf8_bom = UTF8.utf8_bom
 utf16  :: TextEncoding
 utf16 = UTF16.utf16
 
--- | The UTF-16 Unicode encoding (litte-endian)
+-- | The UTF-16 Unicode encoding (little-endian)
 utf16le  :: TextEncoding
 utf16le = UTF16.utf16le
 
@@ -95,7 +95,7 @@ utf16be = UTF16.utf16be
 utf32  :: TextEncoding
 utf32 = UTF32.utf32
 
--- | The UTF-32 Unicode encoding (litte-endian)
+-- | The UTF-32 Unicode encoding (little-endian)
 utf32le  :: TextEncoding
 utf32le = UTF32.utf32le
 
diff --git a/libraries/base/GHC/IO/Encoding/CodePage/API.hs b/libraries/base/GHC/IO/Encoding/CodePage/API.hs
index 65a1b377db..9c2dc0e85c 100644
--- a/libraries/base/GHC/IO/Encoding/CodePage/API.hs
+++ b/libraries/base/GHC/IO/Encoding/CodePage/API.hs
@@ -317,7 +317,7 @@ cpEncode cp _max_char_size = \ibuf obuf -> do
      | ocnt == 0 = return (Left True)
      | otherwise = alloca $ \defaulted_ptr -> do
       poke defaulted_ptr False
-      err <- c_WideCharToMultiByte (fromIntegral cp) 0 -- NB: the WC_ERR_INVALID_CHARS flag is uselses: only has an effect with the UTF-8 code page
+      err <- c_WideCharToMultiByte (fromIntegral cp) 0 -- NB: the WC_ERR_INVALID_CHARS flag is useless: only has an effect with the UTF-8 code page
                                    iptr (fromIntegral icnt) optr (fromIntegral ocnt)
                                    nullPtr defaulted_ptr
       defaulted <- peek defaulted_ptr
diff --git a/libraries/base/GHC/IO/Handle/Internals.hs b/libraries/base/GHC/IO/Handle/Internals.hs
index 5f767348ee..21284a776c 100644
--- a/libraries/base/GHC/IO/Handle/Internals.hs
+++ b/libraries/base/GHC/IO/Handle/Internals.hs
@@ -358,7 +358,7 @@ ioe_bufsiz n = ioException
 -- Wrapper for Handle encoding/decoding.
 
 -- The interface for TextEncoding changed so that a TextEncoding doesn't raise
--- an exception if it encounters an invalid sequnce. Furthermore, encoding
+-- an exception if it encounters an invalid sequence. Furthermore, encoding
 -- returns a reason as to why encoding stopped, letting us know if it was due
 -- to input/output underflow or an invalid sequence.
 --
diff --git a/libraries/base/GHC/IO/Handle/Lock.hs b/libraries/base/GHC/IO/Handle/Lock.hs
index 09df4a24ae..6d8938c35d 100644
--- a/libraries/base/GHC/IO/Handle/Lock.hs
+++ b/libraries/base/GHC/IO/Handle/Lock.hs
@@ -44,7 +44,7 @@ import GHC.IO.Handle.Lock.NoOp
 -- 2) The implementation uses 'LockFileEx' on Windows and 'flock' otherwise,
 -- hence all of their caveats also apply here.
 --
--- 3) On non-Windows plaftorms that don't support 'flock' (e.g. Solaris) this
+-- 3) On non-Windows platforms that don't support 'flock' (e.g. Solaris) this
 -- function throws 'FileLockingNotImplemented'. We deliberately choose to not
 -- provide fcntl based locking instead because of its broken semantics.
 --
diff --git a/libraries/base/GHC/IO/Handle/Types.hs b/libraries/base/GHC/IO/Handle/Types.hs
index aeb72af847..6923d252b9 100644
--- a/libraries/base/GHC/IO/Handle/Types.hs
+++ b/libraries/base/GHC/IO/Handle/Types.hs
@@ -386,7 +386,7 @@ nativeNewline = LF
 #endif
 
 -- | Map @\'\\r\\n\'@ into @\'\\n\'@ on input, and @\'\\n\'@ to the native newline
--- represetnation on output.  This mode can be used on any platform, and
+-- representation on output.  This mode can be used on any platform, and
 -- works with text files using any newline convention.  The downside is
 -- that @readFile >>= writeFile@ might yield a different file.
 --
diff --git a/libraries/base/GHC/List.hs b/libraries/base/GHC/List.hs
index 65fa4f54a5..ba5229f9cb 100644
--- a/libraries/base/GHC/List.hs
+++ b/libraries/base/GHC/List.hs
@@ -425,7 +425,7 @@ The type of (g :: (a -> b -> b) -> b -> b) allows us to apply parametricity:
 Either the tuple is returned (trivial), or scanrFB is called:
     g (scanrFB f c) (q0,n) = scanrFB ... (g' (scanrFB f c) (q0,n))
 Notice that thanks to the strictness of scanrFB, the expression
-g' (scanrFB f c) (q0,n) gets evaluated aswell. In particular, if g' is a
+g' (scanrFB f c) (q0,n) gets evaluated as well. In particular, if g' is a
 recursive case of g, parametricity applies again and we will again have a
 possible call to scanrFB. In short, g (scanrFB f c) (q0,n) will end up being
 completely evaluated. This is resource consuming for large lists and if the
diff --git a/libraries/base/GHC/StaticPtr.hs b/libraries/base/GHC/StaticPtr.hs
index b8d5c116d1..dcffbad701 100644
--- a/libraries/base/GHC/StaticPtr.hs
+++ b/libraries/base/GHC/StaticPtr.hs
@@ -103,7 +103,7 @@ class IsStatic p where
 instance IsStatic StaticPtr where
     fromStaticPtr = id
 
--- | Miscelaneous information available for debugging purposes.
+-- | Miscellaneous information available for debugging purposes.
 data StaticPtrInfo = StaticPtrInfo
     { -- | Package key of the package where the static pointer is defined
       spInfoUnitId  :: String
diff --git a/libraries/base/GHC/TypeNats.hs b/libraries/base/GHC/TypeNats.hs
index da06627118..aba47b0b96 100644
--- a/libraries/base/GHC/TypeNats.hs
+++ b/libraries/base/GHC/TypeNats.hs
@@ -113,7 +113,7 @@ After inlining and simplification, this ends up looking something like this:
 
 `KnownNat` is the constructor for dictionaries for the class `KnownNat`.
 See Note [magicDictId magic] in "basicType/MkId.hs" for details on how
-we actually construct the dictionry.
+we actually construct the dictionary.
 
 Note that using `Any Nat` is not really correct, as multilple calls to
 `someNatVal` would violate coherence:
diff --git a/libraries/base/System/IO.hs b/libraries/base/System/IO.hs
index 4549c8f12e..2ae0e1e6da 100644
--- a/libraries/base/System/IO.hs
+++ b/libraries/base/System/IO.hs
@@ -202,7 +202,7 @@ module System.IO (
     -- as @\'\\r\\n\'@.
     --
     -- A text-mode 'Handle' has an associated 'NewlineMode' that
-    -- specifies how to transate newline characters.  The
+    -- specifies how to translate newline characters.  The
     -- 'NewlineMode' specifies the input and output translation
     -- separately, so that for instance you can translate @\'\\r\\n\'@
     -- to @\'\\n\'@ on input, but leave newlines as @\'\\n\'@ on output.
diff --git a/libraries/base/changelog.md b/libraries/base/changelog.md
index fa0d2d4e95..026de1df82 100644
--- a/libraries/base/changelog.md
+++ b/libraries/base/changelog.md
@@ -295,7 +295,7 @@
     in constant space when applied to lists. (#10830)
 
   * `mkFunTy`, `mkAppTy`, and `mkTyConApp` from `Data.Typeable` no longer exist.
-    This functionality is superceded by the interfaces provided by
+    This functionality is superseded by the interfaces provided by
     `Type.Reflection`.
 
   * `mkTyCon3` is no longer exported by `Data.Typeable`. This function is
diff --git a/libraries/base/codepages/MakeTable.hs b/libraries/base/codepages/MakeTable.hs
index b276e4b1a0..0806e268eb 100644
--- a/libraries/base/codepages/MakeTable.hs
+++ b/libraries/base/codepages/MakeTable.hs
@@ -138,7 +138,7 @@ mkConvArray xs = "ConvArray \"" ++ concatMap mkHex xs ++ "\"#"
 --
 -- Fix a block size S which is a power of two.  We compress an array of N
 -- entries (where N>>S) as follows.  First, split the array into blocks of size
--- S, then remove all repeate blocks to form the "value" array.  Then construct
+-- S, then remove all repeated blocks to form the "value" array.  Then construct
 -- a separate "index" array which maps the position of blocks in the old array
 -- to a position in the value array.
 --
diff --git a/libraries/base/configure.ac b/libraries/base/configure.ac
index d34224acc7..eff986fb96 100644
--- a/libraries/base/configure.ac
+++ b/libraries/base/configure.ac
@@ -37,7 +37,7 @@ AC_CHECK_HEADERS([ctype.h errno.h fcntl.h inttypes.h limits.h signal.h sys/file.
 AC_SYS_LARGEFILE
 
 dnl ** check for wide-char classifications
-dnl FreeBSD has an emtpy wctype.h, so test one of the affected
+dnl FreeBSD has an empty wctype.h, so test one of the affected
 dnl functions if it's really there.
 AC_CHECK_HEADERS([wctype.h], [AC_CHECK_FUNCS(iswspace)])
 
diff --git a/libraries/base/tests/IO/all.T b/libraries/base/tests/IO/all.T
index 189fbebb88..818ce67267 100644
--- a/libraries/base/tests/IO/all.T
+++ b/libraries/base/tests/IO/all.T
@@ -138,7 +138,7 @@ test('T17414',
       when(opsys('mingw32'), fragile(17453)),
       # It is common for tmpfs to be mounted to a small tmpfs on modern Linux
       # distributions. This test needs to create a large file which will exceed the
-      # size of this filesystem onsequently we must skip it (see #17459).
+      # size of this filesystem consequently we must skip it (see #17459).
       when(opsys('linux'), skip),
       high_memory_usage],
      compile_and_run, [''])