misc: Fix several typos

iconv/tst-iconv_prog-buffer.sh

@@ -127,7 +127,7 @@ ignore_failure () {
     set -e
 }
 
-# Concatentation test.
+# Concatenation test.
 run_iconv -o "$tmp/out" "$tmp/abc" "$tmp/def"
 expect_files abc def
 

include/features.h

@@ -156,7 +156,7 @@
 #undef	__GLIBC_USE_DEPRECATED_SCANF
 #undef	__GLIBC_USE_C23_STRTOL
 
-/* Suppress kernel-name space pollution unless user expressedly asks
+/* Suppress kernel-name space pollution unless user explicitly asks
    for it.  */
 #ifndef _LOOSE_KERNEL_NAMES
 # define __KERNEL_STRICT_NAMES

sysdeps/aarch64/multiarch/dl-symbol-redir-ifunc.h

@@ -1,4 +1,4 @@
-/* Symbol rediretion for loader/static initialization code.
+/* Symbol redirection for loader/static initialization code.
    Copyright (C) 2022-2025 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 

sysdeps/unix/sysdep.h

@@ -138,7 +138,7 @@
 #include <syscall_types.h>
 
 /* Adjust both the __syscall_cancel and the SYSCALL_CANCEL macro to support
-   7 arguments instead of default 6 (curently only mip32).  It avoid add
+   7 arguments instead of default 6 (currently only mip32).  It avoid add
    the requirement to each architecture to support 7 argument macros
    {INTERNAL,INLINE}_SYSCALL.  */
 #ifdef HAVE_CANCELABLE_SYSCALL_WITH_7_ARGS

sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h

@@ -63,7 +63,7 @@ typedef struct
     unsigned char __reserved[4096] __attribute__ ((__aligned__ (16)));
   } mcontext_t;
 
-/* Userlevel context.  */
+/* User-level context.  */
 typedef struct ucontext_t
   {
     unsigned long __ctx(uc_flags);

sysdeps/unix/sysv/linux/arch-fork.h

@@ -25,7 +25,7 @@
 #include <unistd.h>
 
 /* Call the clone syscall with fork semantic.  The CTID address is used
-   to store the child thread ID at its locationm, to erase it in child memory
+   to store the child thread ID at its location, to erase it in child memory
    when the child exits, and do a wakeup on the futex at that address.
 
    The architecture with non-default kernel abi semantic should correctly