diff --git a/demo/env/stm32f10x/non_os/components/easyflash/inc/ef_cfg.h b/demo/env/stm32f10x/non_os/components/easyflash/inc/ef_cfg.h
index 1693aa1..433e2df 100644
--- a/demo/env/stm32f10x/non_os/components/easyflash/inc/ef_cfg.h
+++ b/demo/env/stm32f10x/non_os/components/easyflash/inc/ef_cfg.h
@@ -22,7 +22,7 @@
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
- * Function: Is is the configure head file for this library.
+ * Function: It is the configure head file for this library.
  * Created on: 2015-07-14
  */
 
diff --git a/demo/env/stm32f10x/rtt/components/easyflash/inc/ef_cfg.h b/demo/env/stm32f10x/rtt/components/easyflash/inc/ef_cfg.h
index 1693aa1..433e2df 100644
--- a/demo/env/stm32f10x/rtt/components/easyflash/inc/ef_cfg.h
+++ b/demo/env/stm32f10x/rtt/components/easyflash/inc/ef_cfg.h
@@ -22,7 +22,7 @@
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
- * Function: Is is the configure head file for this library.
+ * Function: It is the configure head file for this library.
  * Created on: 2015-07-14
  */
 
diff --git a/demo/env/stm32f4xx/components/easyflash/inc/ef_cfg.h b/demo/env/stm32f4xx/components/easyflash/inc/ef_cfg.h
index 58f3308..7b309d5 100644
--- a/demo/env/stm32f4xx/components/easyflash/inc/ef_cfg.h
+++ b/demo/env/stm32f4xx/components/easyflash/inc/ef_cfg.h
@@ -22,7 +22,7 @@
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
- * Function: Is is the configure head file for this library.
+ * Function: It is the configure head file for this library.
  * Created on: 2015-07-14
  */
 
diff --git a/easyflash/inc/easyflash.h b/easyflash/inc/easyflash.h
index d942e0b..a7fd4aa 100644
--- a/easyflash/inc/easyflash.h
+++ b/easyflash/inc/easyflash.h
@@ -22,7 +22,7 @@
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
- * Function: Is is an head file for this library. You can see all be called functions.
+ * Function: It is an head file for this library. You can see all be called functions.
  * Created on: 2014-09-10
  */
 
diff --git a/easyflash/inc/ef_cfg.h b/easyflash/inc/ef_cfg.h
index 9a6856b..fb98509 100644
--- a/easyflash/inc/ef_cfg.h
+++ b/easyflash/inc/ef_cfg.h
@@ -22,7 +22,7 @@
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
- * Function: Is is the configure head file for this library.
+ * Function: It is the configure head file for this library.
  * Created on: 2015-07-14
  */