diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index 7f55580..2d1e5fa 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -905,7 +905,7 @@
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT)     &&                 \
     !defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-#error "MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT defined, but not all prerequsites"
+#error "MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT defined, but not all prerequisites"
 #endif
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT) && MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT != 0