diff --git a/src/basic/copy.c b/src/basic/copy.c
index 55394871fd..5b6cae39d0 100644
--- a/src/basic/copy.c
+++ b/src/basic/copy.c
@@ -69,7 +69,7 @@ static int fd_is_nonblock_pipe(int fd) {
         struct stat st;
         int flags;
 
-        /* Checks whether the specified file descriptor refers to a pipe, and if so if is has O_NONBLOCK set. */
+        /* Checks whether the specified file descriptor refers to a pipe, and if so if O_NONBLOCK is set. */
 
         if (fstat(fd, &st) < 0)
                 return -errno;