Regularization-schemes-of-the-pairing-field.md

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-# Inroduction
-W-SLDA Toolkit utilizes a local pairing field $`\Delta(\bm{r})`$. In such case renormalization
+# Introduction
+W-SLDA Toolkit utilizes a local pairing field $`\Delta(\bm{r})`$. In such case, renormalization
 procedure is required. There are two predefined regularization schemes that can be selected in `predefines.h` file:
 ```c
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