Update README.md

Author: Nicole00

README.md

@@ -60,7 +60,7 @@ You could submit the entire spark application or invoke algorithms in `lib` libr
 
 * Option2: Call nebula-algorithm interface
 
-   Now there are 10 algorithms provided in `lib` from `nebula-algorithm`, which could be invoked in a programming fashion as below:
+   Now there are 10+ algorithms provided in `lib` from `nebula-algorithm`, which could be invoked in a programming fashion as below:
    
    * Add dependencies in `pom.xml`.
    ```
@@ -92,8 +92,8 @@ You could submit the entire spark application or invoke algorithms in `lib` libr
 |:------------------------:|:--------------:|
 |       2.0.0              |  2.0.0, 2.0.1  |
 |       2.1.0              |  2.0.0, 2.0.1  |
-|       2.5.0              |2.5.0,2.5.1,2.6.0,2.6.1|
-|       2.6.0              |2.5.0,2.5.1,2.6.0,2.6.1|    
+|       2.5.0              |  2.5.0,2.5.1   |
+|       2.6.0              |  2.6.0,2.6.1   |    
 |       2.5-SNAPSHOT       |     nightly    |
 
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