typo: 'vector_table' should start with a period '.'

Author: iampi31415

faq.md

@@ -242,7 +242,7 @@ section               size        addr
 Total               555960
 ```
 
-Of the standard sections, `vector_table`, `.text`, `.rodata` will occupy Flash /
+Of the standard sections, `.vector_table`, `.text`, `.rodata` will occupy Flash /
 ROM; `.bss` and `.data` will occupy RAM; `.debug_*`, `.ARM.attributes` and
 `.comments` can be ignored as they won't be loaded into the target device
 memory. For the other sections you'll have to check your dependencies' docs.