diff --git a/src/main/java/sirius/db/mixing/query/QueryCompiler.java b/src/main/java/sirius/db/mixing/query/QueryCompiler.java
index d05406ca..b0836940 100644
--- a/src/main/java/sirius/db/mixing/query/QueryCompiler.java
+++ b/src/main/java/sirius/db/mixing/query/QueryCompiler.java
@@ -260,8 +260,7 @@ private C parseExpression() {
         skipWhitespace();
 
         if ((reader.current().is('!') || reader.current().is('-'))) {
-            if (reader.next().isWhitespace() ||reader.next()
-                                                     .isEndOfInput()) {
+            if (reader.next().isWhitespace() || reader.next().isEndOfInput()) {
                 // If there is a single "-" or "!" in a string like "foo - bar", we simly skip the dash
                 // as it is ignored by the indexing tokenizer anyway...
                 reader.consume();
diff --git a/src/main/java/sirius/db/mixing/query/QueryField.java b/src/main/java/sirius/db/mixing/query/QueryField.java
index 3fc7a376..5e0c6e66 100644
--- a/src/main/java/sirius/db/mixing/query/QueryField.java
+++ b/src/main/java/sirius/db/mixing/query/QueryField.java
@@ -24,8 +24,8 @@ public enum Mode {
         EQUAL, LIKE, PREFIX, CONTAINS
     }
 
-    private Mapping field;
-    private Mode mode;
+    private final Mapping field;
+    private final Mode mode;
 
     private QueryField(Mapping field, Mode mode) {
         this.field = field;
diff --git a/src/main/java/sirius/db/mongo/constraints/MongoQueryCompiler.java b/src/main/java/sirius/db/mongo/constraints/MongoQueryCompiler.java
index a96bff8f..d1418203 100644
--- a/src/main/java/sirius/db/mongo/constraints/MongoQueryCompiler.java
+++ b/src/main/java/sirius/db/mongo/constraints/MongoQueryCompiler.java
@@ -31,7 +31,7 @@ public class MongoQueryCompiler extends QueryCompiler<MongoConstraint> {
     private static final Mapping FULLTEXT_MAPPING = Mapping.named("$text");
 
     /**
-     * Represents an artificial field which generates a search using a <tt>$text</tt> filter. Therefore
+     * Represents an artificial field which generates a search using a <tt>$text</tt> filter. Therefore,
      * an appropriate <b>text</b> index has to be present.
      */
     public static final QueryField FULLTEXT = QueryField.contains(FULLTEXT_MAPPING);