diff --git a/arch/arm/src/str71x/str71x_usb.h b/arch/arm/src/str71x/str71x_usb.h
index 1a3f75d19aa..de32637b921 100644
--- a/arch/arm/src/str71x/str71x_usb.h
+++ b/arch/arm/src/str71x/str71x_usb.h
@@ -157,9 +157,14 @@
 
 /* Endpoint register mask (no toggle fields) */
 
-#define USB_EPR_MASK            (USB_EPR_CTRRX|USB_EPR_SETUP|USB_EPR_TFIELD|\
+#define USB_EPR_NOTOGGLE_MASK   (USB_EPR_CTRRX|USB_EPR_SETUP|USB_EPR_TFIELD|\
                                  USB_EPR_KIND|USB_EPR_CTRTX|USB_EPR_ADDRFIELD)
 
+/* Toggles only */
+
+#define USB_EPR_TXDTOG_MASK     (USB_EPR_TXSTAT_MASK|USB_EPR_NOTOGGLE_MASK)
+#define USB_EPR_RXDTOG_MASK     (USB_EPR_RXSTAT_MASK|USB_EPR_NOTOGGLE_MASK)
+
 /************************************************************************************
  * Public Types
  ************************************************************************************/
diff --git a/configs/eagle100/README.txt b/configs/eagle100/README.txt
index c0219a25a40..f7af42c7188 100644
--- a/configs/eagle100/README.txt
+++ b/configs/eagle100/README.txt
@@ -40,7 +40,7 @@ GNU Toolchain Options
 
   NOTE: the CodeSourcery and devkitARM toolchains are Windows native toolchains.
   The NuttX buildroot toolchain is a Cygwin toolchain.  There are several limitations
-  to using a Windows based toolchain in a Cygwin environment.  The two biggestg are:
+  to using a Windows based toolchain in a Cygwin environment.  The two biggest are:
 
   1. The Windows toolchain cannot follow Cygwin paths.  Path conversions are
      performed automatically in the Cygwin makefiles using the 'cygpath' utility
@@ -54,11 +54,11 @@ GNU Toolchain Options
      That is because you are building the copy of the file in the "fake" symbolic
      directory.  If you use a Windows toolchain, you should get in the habit of
      making like this:
-       
+
        make clean_context; make CROSSDEV=arm-none-eabi-
 
      An alias in your .bashrc file might make that less painful.
- 
+
 NuttX buildroot Toolchain
 ^^^^^^^^^^^^^^^^^^^^^^^^^
 
@@ -68,6 +68,7 @@ NuttX buildroot Toolchain
 
   If you have no Cortex-M3 toolchain, one can be downloaded from the NuttX
   SourceForge download site (https://sourceforge.net/project/showfiles.php?group_id=189573).
+  This GNU toolchain builds and executes in the Cygwin environment.
 
   1. You must have already configured Nuttx in <some-dir>/nuttx.