consistency: fix docs/comment/script typos

### docs/index.rst
@@ -776,7 +776,7 @@ or:
 * 'derivation' is the path from the origin to the given xpub - currently it is only used for the Jade signer, where it is used to verify the passed xpub.
 * 'xpub' is the signer xpub, as described by the 'fingerprint' and 'derivation' (validated, in the case of this unit's signer).
 * 'path' is a path applied to the xpub, to yield the root signer for this multisig.  In most cases this is empty '[]'.
-* Alternatively, the contents of the multisig wallet file as produced by several wallet apps (BluwWallet, Sparrow, Nunchuk etc.) can be passed.
+* Alternatively, the contents of the multisig wallet file as produced by several wallet apps (BlueWallet, Sparrow, Nunchuk etc.) can be passed.
 
 
 .. _register_multisig_reply:

### main/ble/ble.c
@@ -287,7 +287,7 @@ static void ble_start_advertising(void)
     JADE_LOGI("Advertising started, (type %u, nrpa %d) with address:", own_addr_type, isnrpa);
     print_addr(addr_val);
 
-    // Refeed entropy - this is called whenever the advertisied address changes  - ie.
+    // Refeed entropy - this is called whenever the advertised address changes  - ie.
     // when BLE enabled, and every minute or so all the time no client is connected.
     // Called again when the client disconnects.  So frequent (if BLE enabled) but not
     // completely predictable ...

### main/camera.c
@@ -535,7 +535,7 @@ void jade_camera_process_images(camera_process_fn_t fn, void* ctx, const bool sh
     JADE_ASSERT(fn);
     // ctx is optional
 
-    // show_ui indicates whether to show a ui or collect cmaera data 'silently'
+    // show_ui indicates whether to show a ui or collect camera data 'silently'
     // text_label is optional
     // text_button is optional - indicates we want the user to select the images presented
     // (otherwise all images are presented) to the given callback function ctx.fn_process()

### main/random.c
@@ -73,7 +73,7 @@ static uint16_t esp32_get_temperature(void)
 }
 #endif
 
-// returns up to 32 bytes of randomness (optional), takes optionallly extra entropy
+// returns up to 32 bytes of randomness (optional), optionally adds extra entropy
 static void get_random_internal(uint8_t* bytes_out, const size_t len, const uint8_t* additional, const size_t addlen)
 {
     JADE_ASSERT(rnd_mutex);

### release/scripts/checkfwsvr.sh
@@ -92,7 +92,7 @@ for hwdir in ${HWDIRS}; do
     done
 done
 
-# TODO: find firmware files that are present but not listed in index.jon
+# TODO: find firmware files that are present but not listed in index.json
 
 if [ -f "${MISSING_LOG}" ]; then
   echo "ERROR: Missing files:"