Update README text

README.md

@@ -86,16 +86,16 @@ Here we compare the average multilingual semantic textual similairty capabilitie
 
 
 | Model                                       | Average Spearman Cosine Test |
-|---------------------------------------------|------------------------------|
+|:---------------------------------------------:|:------------------------------:|
 | mstsb-paraphrase-multilingual-mpnet-base-v2 | 0.835890                     |
 | paraphrase-multilingual-mpnet-base-v2       | 0.818896                     |
 
-\
+<br>
 
 The following tables breakdown the performance of `mstsb-paraphrase-multilingual-mpnet-base-v2` according to the different tasks. For the sake of readability tasks have been splitted into monolingual and cross-lingual tasks. 
 
 | Monolingual Task | Pearson Cosine test | Spearman Cosine  test |
-|------------------|---------------------|-----------------------|
+|:------------------:|:---------------------:|:-----------------------:|
 | en;en            | 0.868048310692506   | 0.8740170943535747    |
 | ar;ar            | 0.8267139454193487  | 0.8284459741532022    |
 | cs;cs            | 0.8466821720942157  | 0.8485417688803879    |
@@ -113,10 +113,10 @@ The following tables breakdown the performance of `mstsb-paraphrase-multilingual
 | zh-CN;zh-CN      | 0.826233678946644   | 0.8248515460782744    |
 | zh-TW;zh-TW      | 0.8242683809675422  | 0.8235506799952028    |
 
-\ 
+<br>
 
 | Cross-lingual Task | Pearson Cosine test | Spearman Cosine  test |
-|--------------------|---------------------|-----------------------|
+|:--------------------:|:---------------------:|:-----------------------:|
 | en;ar              | 0.7990830340462535  | 0.7956792016468148    |
 | en;cs              | 0.8381274879061265  | 0.8388713450024455    |
 | en;de              | 0.8414439600928739  | 0.8441971698649943    |