diff --git a/scst/src/dev_handlers/scst_user.c b/scst/src/dev_handlers/scst_user.c
index f48da5d4b..b8f3c9835 100644
--- a/scst/src/dev_handlers/scst_user.c
+++ b/scst/src/dev_handlers/scst_user.c
@@ -38,7 +38,7 @@
 #ifndef INSIDE_KERNEL_TREE
 #if defined(CONFIG_HIGHMEM4G) || defined(CONFIG_HIGHMEM64G)
 #warning HIGHMEM kernel configurations are not supported by this module,\
- because nowadays it doesn't worth the effort. Consider changing\
+ because nowadays it is not worth the effort. Consider changing\
  VMSPLIT option or use a 64-bit configuration instead. See README file\
  for details.
 #endif
diff --git a/scst/src/scst_main.c b/scst/src/scst_main.c
index f0303c1c3..48ec6c96c 100644
--- a/scst/src/scst_main.c
+++ b/scst/src/scst_main.c
@@ -52,7 +52,7 @@ details.
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 30)
 #if !defined(CONFIG_SCST_STRICT_SERIALIZING)
 #warning Patch scst_exec_req_fifo-<kernel-version> was not applied on \
-your kernel and CONFIG_SCST_STRICT_SERIALIZING isn't defined. \
+your kernel and CONFIG_SCST_STRICT_SERIALIZING is not defined. \
 Pass-through dev handlers will not work.
 #endif /* !defined(CONFIG_SCST_STRICT_SERIALIZING) */
 #else  /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 30) */