add tags for 1061

Author: fishercoder1534

README.md

@@ -563,7 +563,7 @@ _If you like this project, please leave me a star._ ★
 | 1066 |[Campus Bikes II](https://leetcode.com/problems/campus-bikes-ii/)| [Solution](../master/src/main/java/com/fishercoder/solutions/_1066.java)                                                                 |                                                                               | Medium                           |Backtracking, DP|
 | 1065 |[Index Pairs of a String](https://leetcode.com/problems/index-pairs-of-a-string/)| [Solution](../master/src/main/java/com/fishercoder/solutions/_1065.java)                                                                 |                                                                               | Medium                           ||
 | 1062 |[Longest Repeating Substring](https://leetcode.com/problems/longest-repeating-substring/)| [Solution](../master/src/main/java/com/fishercoder/solutions/_1062.java)                                                                 |                                                                               | Medium                           |String, Binary Search, DP, Rolling Hash, Suffix Array, Hash Function|
-| 1061 |[Lexicographically Smallest Equivalent String](https://leetcode.com/problems/lexicographically-smallest-equivalent-string/)| [Solution](../master/src/main/java/com/fishercoder/solutions/_1061.java)                                                                 |                                                                               | Medium                           ||Union Find
+| 1061 |[Lexicographically Smallest Equivalent String](https://leetcode.com/problems/lexicographically-smallest-equivalent-string/)| [Solution](../master/src/main/java/com/fishercoder/solutions/_1061.java)                                                                 |                                                                               | Medium                           |Union Find
 | 1057 |[Campus Bikes](https://leetcode.com/problems/campus-bikes/)| [Solution](../master/src/main/java/com/fishercoder/solutions/_1057.java)                                                                 |                                                                               | Medium                           ||Greedy, Sort
 | 1056 |[Confusing Number](https://leetcode.com/problems/confusing-number/)| [Solution](../master/src/main/java/com/fishercoder/solutions/_1056.java)                                                                 |                                                                               | Easy                             ||
 | 1055 |[Fixed Point](https://leetcode.com/problems/fixed-point/)| [Solution](../master/src/main/java/com/fishercoder/solutions/_1055.java)                                                                 |                                                                               | Easy                             ||