Fix

binary-exploitation/libc-heap/bins-and-memory-allocations.md

@@ -590,7 +590,7 @@ int main(void)
 }
 ```
 
-After compiling and debugging it with a break point in the `ret` opcode of main I saw that the malloc returned the address  `0xaaaaaaac12a0` and these are the chunks:
+After compiling and debugging it with a break point in the `ret` opcode of `main` I saw that the malloc returned the address  `0xaaaaaaac12a0` and these are the chunks:
 
 ```bash
 gef➤  heap chunks

binary-exploitation/libc-heap/house-of-einherjar.md

@@ -29,7 +29,7 @@ Other ways to support HackTricks:
 
 * Create a fake chunk when we want to allocate a chunk:
   * Set pointers to point to itself to bypass sanity checks
-* One-byte overflow with a null byte over from one chunk to another to modify the `PREV_INUSE` flag.
+* One-byte overflow with a null byte from one chunk to the next one to modify the `PREV_INUSE` flag.
 * Indicate in the `prev_size` of the off-by-null abused chunk the difference between itself and the fake chunk
   * The fake chunk size must also have been set the same size to bypass sanity checks
 * For constructing these chunks, you will need a heap leak.