diff --git a/library/version_features.c b/library/version_features.c
index 40c9520..049a58a 100644
--- a/library/version_features.c
+++ b/library/version_features.c
@@ -27,7 +27,7 @@
 
 static const char * const features[] = {
 #if defined(MBEDTLS_VERSION_FEATURES)
-#if defined(MBEDTLS_HAVE_ASM)
+    #if defined(MBEDTLS_HAVE_ASM)
     "MBEDTLS_HAVE_ASM",
 #endif /* MBEDTLS_HAVE_ASM */
 #if defined(MBEDTLS_NO_UDBL_DIVISION)
@@ -850,23 +850,25 @@
     NULL
 };
 
-int mbedtls_version_check_feature( const char *feature )
+int mbedtls_version_check_feature(const char *feature)
 {
     const char * const *idx = features;
 
-    if( *idx == NULL )
-        return( -2 );
+    if (*idx == NULL) {
+        return -2;
+    }
 
-    if( feature == NULL )
-        return( -1 );
+    if (feature == NULL) {
+        return -1;
+    }
 
-    while( *idx != NULL )
-    {
-        if( !strcmp( *idx, feature ) )
-            return( 0 );
+    while (*idx != NULL) {
+        if (!strcmp(*idx, feature)) {
+            return 0;
+        }
         idx++;
     }
-    return( -1 );
+    return -1;
 }
 
 #endif /* MBEDTLS_VERSION_C */