Update src/level-ext.adoc

Co-authored-by: Alexander Richardson <[email protected]>
Signed-off-by: Tariq Kurd <[email protected]>

src/level-ext.adoc

@@ -81,7 +81,7 @@ endif::[]
 11+| bit[2] = write, bit[1:0] = store level. R and C implicitly granted, LM dependent on W permission.
 |Bits[4:3]| R | W | C | LM | EL | SL    | X | ASR | Mode^1^ |
 | 0-2   10+| reserved
-| 3       | ✔ |   | ✔ |    |    | ∞^1^  |   |     | N/A | Data & Cap R0 (without <<lm_perm>>)
+| 3       | ✔ |   | ✔ |    |    | 0^1^  |   |     | N/A | Data & Cap R0 (without <<lm_perm>>)
 | 4       | ✔ | ✔ | ✔ | ✔  |    | _(3)_ |   |     | N/A | Reserved for `LVLBITS=2`
 | 5       | ✔ | ✔ | ✔ | ✔  |    | _(2)_ |   |     | N/A | Reserved for `LVLBITS=2`
 | 6       | ✔ | ✔ | ✔ | ✔  |    | 1     |   |     | N/A | Data & Cap RW (with store _local_, no <<el_perm>>)