High-Level-description-of-DDalphaAMG.md

-DD$`\alpha`$AMG stands for **D**omain **D**ecomposition $`\pmb{\alpha}`$daptive **A**lgebraic  **M**ulti**G**rid. Let's explore each term's meaning in the context of multigrid solvers.
+DD-$`\alpha`$AMG stands for **D**omain **D**ecomposition $`\pmb{\alpha}`$daptive **A**lgebraic  **M**ulti**G**rid. Let's explore each term's meaning in the context of multigrid solvers.
 
 - **DD:** The smoother is a **D**omain **D**ecomposition method, specifically, the Schwarz Alternating Procedure (SAP).