diff --git a/library/error.c b/library/error.c
index 2ca755c..3cc3aa3 100644
--- a/library/error.c
+++ b/library/error.c
@@ -430,7 +430,7 @@
         if( use_ret == -(POLARSSL_ERR_SSL_PK_TYPE_MISMATCH) )
             snprintf( buf, buflen, "SSL - Public key type mismatch (eg, asked for RSA key exchange and presented EC key)" );
         if( use_ret == -(POLARSSL_ERR_SSL_UNKNOWN_IDENTITY) )
-            snprintf( buf, buflen, "SSL - Unkown identity received (eg, PSK identity)" );
+            snprintf( buf, buflen, "SSL - Unknown identity received (eg, PSK identity)" );
         if( use_ret == -(POLARSSL_ERR_SSL_INTERNAL_ERROR) )
             snprintf( buf, buflen, "SSL - Internal error (eg, unexpected failure in lower-level module)" );
         if( use_ret == -(POLARSSL_ERR_SSL_COUNTER_WRAPPING) )