diff --git a/README b/README
index 952f522..408f624 100644
--- a/README
+++ b/README
@@ -1,5 +1,5 @@
 musl-obstack
 
 The musl-obstack package is a copy + paste of the `obstack`
-functions and macros found in GNU libc for use with musl libc.
-
+functions and macros found in GNU gcc `libiberty` library
+for use with musl libc.
diff --git a/README.md b/README.md
index ce90e58..3ff441d 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 ### musl-obstack
 
 The musl-obstack package is a copy + paste of the `obstack`
-functions and macros found in GNU libc for use with musl libc.
-
+functions and macros found in GNU gcc `libiberty` library
+for use with musl libc.