Fix some typos in gson comments.

gson/src/main/java/com/google/gson/FieldAttributes.java

@@ -68,7 +68,7 @@ public final class FieldAttributes {
    *   private List<String> red;
    * }
    *
-   * Type listParmeterizedType = new TypeToken<List<String>>() {}.getType();
+   * Type listParameterizedType = new TypeToken<List<String>>() {}.getType();
    * </pre>
    *
    * <p>This method would return {@code String.class} for the {@code bar} field and

gson/src/main/java/com/google/gson/Gson.java

@@ -78,7 +78,7 @@ import com.google.gson.stream.MalformedJsonException;
  * <p>If the object that your are serializing/deserializing is a {@code ParameterizedType}
  * (i.e. contains at least one type parameter and may be an array) then you must use the
  * {@link #toJson(Object, Type)} or {@link #fromJson(String, Type)} method.  Here is an
- * example for serializing and deserialing a {@code ParameterizedType}:
+ * example for serializing and deserializing a {@code ParameterizedType}:
  *
  * <pre>
  * Type listType = new TypeToken&lt;List&lt;String&gt;&gt;() {}.getType();

gson/src/main/java/com/google/gson/GsonBuilder.java

@@ -303,7 +303,7 @@ public final class GsonBuilder {
    * Configures Gson to apply a set of exclusion strategies during both serialization and
    * deserialization. Each of the {@code strategies} will be applied as a disjunction rule.
    * This means that if one of the {@code strategies} suggests that a field (or class) should be
-   * skipped then that field (or object) is skipped during serializaiton/deserialization.
+   * skipped then that field (or object) is skipped during serialization/deserialization.
    *
    * @param strategies the set of strategy object to apply during object (de)serialization.
    * @return a reference to this {@code GsonBuilder} object to fulfill the "Builder" pattern

gson/src/test/java/com/google/gson/ParameterizedTypeTest.java

@@ -26,7 +26,7 @@ import java.lang.reflect.Type;
 import java.util.List;
 
 /**
- * Unit tests for {@code ParamterizedType}s created by the {@link $Gson$Types} class.
+ * Unit tests for {@code ParameterizedType}s created by the {@link $Gson$Types} class.
  *
  * @author Inderjeet Singh
  * @author Joel Leitch

gson/src/test/java/com/google/gson/functional/SerializedNameTest.java

@@ -25,7 +25,7 @@ public final class SerializedNameTest extends TestCase {
 
   public void testFirstNameIsChosenForSerialization() {
     MyClass target = new MyClass("v1", "v2");
-    // Ensure name1 occurs exactly once, and name2 and name3 dont appear
+    // Ensure name1 occurs exactly once, and name2 and name3 don't appear
     assertEquals("{\"name\":\"v1\",\"name1\":\"v2\"}", gson.toJson(target));
   }