minor changelog update, prepating v0.7.4

CHANGELOG

@@ -1,12 +1,14 @@
 v0.7.4
-- perf: automatic vector detection and selection at runtime `xxh_x86dispatch.h`, initiated by @easyaspi314
-- perf: added AVX512, by @gzm55
+- perf: automatic vector detection and selection at runtime (`xxh_x86dispatch.h`), initiated by @easyaspi314
+- perf: added AVX512 support, by @gzm55
 - api : new: secret generator `XXH_generateSecret()`, suggested by @koraa
 - api : fix: XXH3_state_t is movable, identified by @koraa
-- api : fix: state is correctly aligned in AVX2 mode (do not trust `malloc()`), by @easyaspi314
+- api : fix: state is correctly aligned in AVX mode (unlike `malloc()`), by @easyaspi314
 - api : fix: streaming generated wrong values in some combination of random ingestion lengths, reported by @WayneD
 - cli : fix unicode print on Windows, by @easyaspi314
-- build: `make DISPATCH=1` generates `xxhsum` with runtime vector detection (x86/x64 only)
+- cli : can `-c` check file generated by sfv
+- build: `make DISPATCH=1` generates `xxhsum` and `libxxhash` with runtime vector detection (x86/x64 only)
+- install: cygwin installation support
 - doc : Cryptol specification of XXH32 and XXH64, by @weaversa
 
 v0.7.3