Update docs/product/explore/session-replay/mobile/performance-overhead.mdx

Co-authored-by: Jasmin <[email protected]>

Author: romtsn

docs/product/explore/session-replay/mobile/performance-overhead.mdx

@@ -37,7 +37,7 @@ There is virtually no overhead from the SDK during application start up. It perf
 
 ### Main Thread
 
-The SDK performs only the bare minimum on the main thread to capture a new frame for the replay (a screenshot and a view hierarchy snapshot) before immediately switching to a background thread for post-processing tasks. These tasks include masking screenshots, storing them in the disk cache, or encoding a video segment. This process occurs at most once per secondk, and it can be even less frequent depending on the frame rate setting.
+The SDK performs only the bare minimum on the main thread to capture a new frame for the replay (a screenshot and a view hierarchy snapshot) before immediately switching to a background thread for post-processing tasks. These tasks include masking screenshots, storing them in the disk cache, or encoding a video segment. This process occurs at most once per second, and it can be even less frequent depending on the frame rate setting.
 
 The SDK also monitors view tree changes, and if no changes have occurred since the last frame capture, it reuses the previously captured data, completely avoiding any work on the main thread.