diff --git a/reactos/lib/sdk/crt/stdio/_flsbuf.c b/reactos/lib/sdk/crt/stdio/_flsbuf.c
index eb31137a7a5..c2b7df29d4c 100644
--- a/reactos/lib/sdk/crt/stdio/_flsbuf.c
+++ b/reactos/lib/sdk/crt/stdio/_flsbuf.c
@@ -24,7 +24,7 @@ _flsbuf(int ch, FILE *stream)
         return EOF;
     }
 
-    /* Is this was a read buffer */
+    /* Check if this was a read buffer */
     if (stream->_flag & _IOREAD)
     {
         /* Must be at the end of the file */