Fix typo

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
diff --git a/include/mbedtls/build_info.h b/include/mbedtls/build_info.h
index 0ff3286..771aeb5 100644
--- a/include/mbedtls/build_info.h
+++ b/include/mbedtls/build_info.h
@@ -61,7 +61,7 @@
 
 #if defined(MBEDTLS_CONFIG_VERSION) && ( \
     MBEDTLS_CONFIG_VERSION < 0x03000000 || \
-    MBEDLTS_CONFIG_VERSION > MBEDTLS_VERSION_NUMBER )
+    MBEDTLS_CONFIG_VERSION > MBEDTLS_VERSION_NUMBER )
 #error "Invalid config version, defined value of MBEDTLS_CONFIG_VERSION is unsupported"
 #endif