diff --git a/FAQ.md b/FAQ.md
index ff4ee8a..e409a5f 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -135,7 +135,7 @@ In the case that comparison is required by an application, named functors or lam
 
 As this library developed, a decision about `weekday` encoding had to be made.  There were two existing competing standards:
 
-1.  C and C++ in the encoding of `tm.tm_weekday` which maps `[0, 6]` to `[Sun, Sat]`.
+1.  C and C++ in the encoding of `tm.tm_wday` which maps `[0, 6]` to `[Sun, Sat]`.
 
 2.  ISO which maps `[1, 7]` to `[Mon, Sun]`.