fix: correct syntax for native-sdk custom trace instrumentation (#11309)

* fix: correct syntax for native-sdk custom trace instrumentation

* Update native-sdk manual instrumentation code snippet with more descriptive comment

Co-authored-by: Mischan Toosarani-Hausberger <mischan@abovevacant.com>

---------

Co-authored-by: Mischan Toosarani-Hausberger <mischan@abovevacant.com>

platform-includes/performance/add-spans-example/native.mdx

@@ -14,7 +14,7 @@ void perform_checkout() {
     sentry_span_t *validation_span = sentry_transaction_start_child(
         tx,
         "validation",
-        "validating shopping cart",
+        "validating shopping cart"
     );
 
     validate_shopping_cart(); // Some long process, maybe a sync http request.
@@ -25,8 +25,8 @@ void perform_checkout() {
     sentry_span_t *process_span = sentry_transaction_start_child(
         tx,
         "process",
-        "processing shopping cart",
-    )
+        "processing shopping cart"
+    );
 
     process_shopping_cart(); // Another time consuming process.
 

platform-includes/performance/connect-errors-spans/native.mdx

@@ -7,7 +7,7 @@ Errors reported to Sentry are automatically linked to any running transaction or
 ```c
 sentry_transaction_context_t *tx_ctx = sentry_transaction_context_new(
     "checkout",
-    "perform-checkout",
+    "perform-checkout"
 );
 sentry_transaction_t *tx = sentry_transaction_start(tx_ctx, sentry_value_new_null());
 
@@ -17,7 +17,7 @@ sentry_set_span(tx);
 // Errors captured after the line above will be linked to the transaction
 sentry_value_t exc = sentry_value_new_exception(
     "ParseIntError",
-    "invalid digit found in string",
+    "invalid digit found in string"
 );
 
 sentry_value_t event = sentry_value_new_event();

platform-includes/performance/enable-manual-instrumentation/native.mdx

@@ -4,21 +4,23 @@ To instrument certain regions of your code, you can create transactions to captu
 // Enable tracing by setting a sample rate above 0
 sentry_options_t *options = sentry_options_new();
 sentry_options_set_traces_sample_rate(options, 0.2);
-...
+// ...
+// (Configure tracing unrelated options as you see fit)
+// ...
 sentry_init(options);
 
 // Transactions can be started by providing the name and the operation
 sentry_transaction_context_t *tx_ctx = sentry_transaction_context_new(
     "transaction name",
-    "transaction operation",
+    "transaction operation"
 );
 sentry_transaction_t *tx = sentry_transaction_start(tx_ctx, sentry_value_new_null());
 
 // Transactions can have child spans (and those spans can have child spans as well)
 sentry_span_t *span = sentry_transaction_start_child(
     tx,
     "child operation",
-    "child description",
+    "child description"
 );
 
 // ...