Address PR feedback

Author: romtsn

docs/platforms/android/session-replay/performance-overhead.mdx

@@ -15,8 +15,8 @@ We measured the overhead of the Android Replay SDK using the [Pocket Casts](http
 | Memory                           | 255 MB          | 265 MB              |
 | CPU                              | 36%             | 42%                 |
 | App Startup Time (Cold)          | 1533.35 ms      | 1539.55 ms          |
-| Main Thread Time                 | -               | 20ms                |
-| Network Bandwidth                | -               | 35 KB               |
+| Main Thread Time                 | n/a             | 20ms                |
+| Network Bandwidth                | n/a             | 35 KB               |
 
 
 The benchmarks were run on a Pixel 2XL with Android 11.

docs/platforms/apple/guides/ios/session-replay/performance-overhead.mdx

@@ -15,8 +15,8 @@ We measured the overhead of the iOS Replay SDK using the [Pocket Casts](https://
 | Memory                           | 102 MB          | 121 MB              |
 | CPU                              | 4%              | 13%                 |
 | App Startup Time (Cold)          | 1264.80 ms      | 1265 ms             |
-| Main Thread Time                 | -               | 43ms                |
-| Network Bandwidth                | -               | 50 KB               |
+| Main Thread Time                 | n/a             | 43ms                |
+| Network Bandwidth                | n/a             | 50 KB               |
 
 
 The benchmarks were run on an iPhone 14 Pro.

docs/platforms/react-native/session-replay/performance-overhead.mdx

@@ -19,8 +19,8 @@ We measured the overhead using the [Pocket Casts iOS](https://github.com/Automat
 | Memory                           | 102 MB          | 121 MB              |
 | CPU                              | 4%              | 13%                 |
 | App Startup Time (Cold)          | 1264.80 ms      | 1265 ms             |
-| Main Thread Time                 | -               | 43ms                |
-| Network Bandwidth                | -               | 50 KB               |
+| Main Thread Time                 | n/a             | 43ms                |
+| Network Bandwidth                | n/a             | 50 KB               |
 
 
 The benchmarks were run on an iPhone 14 Pro.
@@ -33,8 +33,8 @@ The benchmarks were run on an iPhone 14 Pro.
 | Memory                           | 255 MB          | 265 MB              |
 | CPU                              | 36%             | 42%                 |
 | App Startup Time (Cold)          | 1533.35 ms      | 1539.55 ms          |
-| Main Thread Time                 | -               | 20ms                |
-| Network Bandwidth                | -               | 35 KB               |
+| Main Thread Time                 | n/a             | 20ms                |
+| Network Bandwidth                | n/a             | 35 KB               |
 
 
 The benchmarks were run on a Pixel 2XL with Android 11.