fix some documentation typos

Author: atinylittleshell

PERFORMANCE.md

@@ -1,6 +1,6 @@
-Benchmarking the performance of terminal emulators is tricky. There are tools such as https://github.com/alacritty/vtebench but as called out by the author it's not good representation of the actual E2E experience, and the best way is to simple test specific use cases.
+Benchmarking the performance of terminal emulators is tricky. There are tools such as https://github.com/alacritty/vtebench but as called out by the author it's not a good representation of the actual E2E experience, and the best way is to simply test specific use cases.
 
-while I continue to look for more systematic approaches for benchmarking, here's a video looking at smooth scrolling in neovim as a key use case TerminalOne optimizes for: 
+While I continue to look for more systematic approaches for benchmarking, here's a video looking at smooth scrolling in Neovim as a key use case TerminalOne optimizes for:
 
 - Scrolling through the same file with the same Neovim setup on the same PC (11th Gen Intel i9 3.50GHz + GeForce RTX 3080 Ti)
 - First half is WezTerm (No criticism intended! WezTerm is an awesome terminal. Using it for comparison since it's commonly raised as a target for benchmarking)

README.md

@@ -39,19 +39,19 @@ The structure of the configuration object and default values can be found [here]
 
 Many default key bindings are deliberately similar to tmux.
 
-| Key Binding    | Action               |
-| -------------- | -------------------- |
-| `Ctrl-b c`     | New tab              |
-| `Ctrl-b &`     | Close tab            |
-| `Ctrl-b p`     | Previous tab         |
-| `Ctrl-b n`     | Next tab             |
-| `Ctrl-b <1-9>` | Jump to tab          |
-| `Ctrl-b %`     | Horizontal split     |
-| `Ctrl-b "`     | Vertical split       |
-| `Ctrl-b h`     | Focus panel on left  |
-| `Ctrl-b l`     | Focus panel on right |
-| `Ctrl-b k`     | Focus panel above    |
-| `Ctrl-b j`     | Focus panel below    |
+| Key Binding    | Action              |
+| -------------- | ------------------- |
+| `Ctrl-b c`     | New tab             |
+| `Ctrl-b &`     | Close tab           |
+| `Ctrl-b p`     | Previous tab        |
+| `Ctrl-b n`     | Next tab            |
+| `Ctrl-b <1-9>` | Jump to tab         |
+| `Ctrl-b %`     | Horizontal split    |
+| `Ctrl-b "`     | Vertical split      |
+| `Ctrl-b h`     | Focus pane on left  |
+| `Ctrl-b l`     | Focus pane on right |
+| `Ctrl-b k`     | Focus pane above    |
+| `Ctrl-b j`     | Focus pane below    |
 
 ## Contributing