Update README.md (#114974)

Trivial edit

Co-authored-by: Carol Willing <[email protected]>

Author: smontanaro

Tools/wasm/README.md

@@ -83,7 +83,7 @@ embuilder --pic build zlib bzip2 MINIMAL_PIC
 ```
 
 
-#### Compile a build Python interpreter
+### Compile and build Python interpreter
 
 From within the container, run the following command: