diff --git a/CHANGELOG.md b/CHANGELOG.md
index aab4c45b9..c3bea5647 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 All notable changes to this project will be documented in this file.
 
 ## Unreleased - ???
+- Add `memcmp` function to core library.
+- Fix bug in `os/open` with `:rw` permissions not correct on Linux.
 - Support config.mk for more easily configuring the Makefile.
 
 ## 1.25.0 - 2022-10-10
diff --git a/src/core/corelib.c b/src/core/corelib.c
index 20e9e61ce..ed4741787 100644
--- a/src/core/corelib.c
+++ b/src/core/corelib.c
@@ -633,11 +633,11 @@ JANET_CORE_FN(janet_core_signal,
 }
 
 JANET_CORE_FN(janet_core_memcmp,
-        "(memcmp a b &opt len offset-a offset-b)",
-        "Compare memory. Takes to byte sequences `a` and `b`, and "
-        "return 0 if they have identical contents, a negative integer if a is less than b, "
-        "and a positive integer if a is greather than b. Optionally take a length and offsets "
-        "to compare slices of the bytes sequences.") {
+              "(memcmp a b &opt len offset-a offset-b)",
+              "Compare memory. Takes to byte sequences `a` and `b`, and "
+              "return 0 if they have identical contents, a negative integer if a is less than b, "
+              "and a positive integer if a is greather than b. Optionally take a length and offsets "
+              "to compare slices of the bytes sequences.") {
     janet_arity(argc, 2, 5);
     JanetByteView a = janet_getbytes(argv, 0);
     JanetByteView b = janet_getbytes(argv, 1);