diff --git a/lib/libc/stdio/fseek.c b/lib/libc/stdio/fseek.c
index 0e77b1ecebe6..a04a6284423b 100644
--- a/lib/libc/stdio/fseek.c
+++ b/lib/libc/stdio/fseek.c
@@ -143,7 +143,7 @@ _fseeko(fp, offset, whence, ltest)
 		} else if (fp->_flags & __SWR && fp->_p != NULL)
 			curoff += fp->_p - fp->_bf._base;
 
-		/* curoff always >= 0 */
+		/* 'curoff' is always >= 0 */
 		if (offset > 0 && curoff > OFF_MAX - offset) {
 			errno = EOVERFLOW;
 			return (EOF);
@@ -210,7 +210,7 @@ _fseeko(fp, offset, whence, ltest)
 	else {
 		if (_fstat(fp->_file, &st))
 			goto dumb;
-		/* st.st_size always >= 0 */
+		/* 'st.st_size' is always >= 0 */
 		if (offset > 0 && st.st_size > OFF_MAX - offset) {
 			errno = EOVERFLOW;
 			return (EOF);