diff --git a/lib/std/crypto/ff.zig b/lib/std/crypto/ff.zig
index 10c4402a4f..95698783bd 100644
--- a/lib/std/crypto/ff.zig
+++ b/lib/std/crypto/ff.zig
@@ -305,7 +305,7 @@ fn Fe_(comptime bits: comptime_int) type {
         /// The element value as a `Uint`.
         v: FeUint,
 
-        /// `true` is the element is in Montgomery form.
+        /// `true` if the element is in Montgomery form.
         montgomery: bool = false,
 
         /// The maximum number of bytes required to encode a field element.