[flink] branch release-1.9 updated: [hotfix] Fix typo in api_concepts.md

[al...@apache.org]

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aljoscha pushed a commit to branch release-1.9
in repository https://gitbox.apache.org/repos/asf/flink.git


The following commit(s) were added to refs/heads/release-1.9 by this push:
     new 41675a9  [hotfix] Fix typo in api_concepts.md
41675a9 is described below

commit 41675a9ffda09056d9d2490681475dd044532d40
Author: WangHengwei <35...@qq.com>
AuthorDate: Mon Jul 29 19:43:34 2019 +0800

    [hotfix] Fix typo in api_concepts.md
---
 docs/dev/api_concepts.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/dev/api_concepts.md b/docs/dev/api_concepts.md
index b70ab08..1e8fd18 100644
--- a/docs/dev/api_concepts.md
+++ b/docs/dev/api_concepts.md
@@ -758,7 +758,7 @@ Restrictions apply to classes containing fields that cannot be serialized, like
 resources. Classes that follow the Java Beans conventions work well in general.
 
 All classes that are not identified as POJO types (see POJO requirements above) are handled by Flink as general class types.
-Flink treats these data types as black boxes and is not able to access their content (i.e., for efficient sorting). General types are de/serialized using the serialization framework [Kryo](https://github.com/EsotericSoftware/kryo).
+Flink treats these data types as black boxes and is not able to access their content (e.g., for efficient sorting). General types are de/serialized using the serialization framework [Kryo](https://github.com/EsotericSoftware/kryo).
 
 #### Values