1 files changed, 3 insertions, 3 deletions

diff --git a/PROTOCOL.u2f b/PROTOCOL.u2f
index 748111d56..917e669cd 100644
--- a/PROTOCOL.u2f
+++ b/PROTOCOL.u2f
@@ -142,7 +142,7 @@ choose not to include this information in the public key or save it by
 default.
 
 Attestation information is useful for out-of-band key and certificate
-registration worksflows, e.g. proving to a CA that a key is backed
+registration workflows, e.g. proving to a CA that a key is backed
 by trusted hardware before it will issue a certificate. To support this
 case, OpenSSH optionally allows retaining the attestation information
 at the time of key generation. It will take the following format:
@@ -169,7 +169,7 @@ is signed over a blob that consists of:
         byte[]          extensions
         byte[32]        SHA256(message)
 
-No extensons are yet defined for SSH use. If any are defined in the future,
+No extensions are yet defined for SSH use. If any are defined in the future,
 it will be possible to infer their presence from the contents of the "flags"
 value.
 
@@ -236,7 +236,7 @@ support for the common case of USB HID security keys internally.
 
 The middleware library need only expose a handful of functions:
 
-        #define SSH_SK_VERSION_MAJOR            0x00040000 /* API version */
+        #define SSH_SK_VERSION_MAJOR            0x00050000 /* API version */
         #define SSH_SK_VERSION_MAJOR_MASK       0xffff0000
 
         /* Flags */