misspellings fixes by https://github.com/vlajos/misspell_fixer
diff --git a/FAQ b/FAQ
index 612e330..d2ef2cb 100644
--- a/FAQ
+++ b/FAQ
@@ -721,7 +721,7 @@
If the test program in question fails withs SIGILL, Illegal Instruction
exception, then you more than likely to run SSE2-capable CPU, such as
Intel P4, under control of kernel which does not support SSE2
-instruction extentions. See accompanying INSTALL file and
+instruction extensions. See accompanying INSTALL file and
OPENSSL_ia32cap(3) documentation page for further information.
* Why does compiler fail to compile sha512.c?
