matched setting name to PR in matrix-react-sdk

docs/labs.md

@@ -7,9 +7,9 @@ to `Settings->Labs`. This list is non-exhaustive and subject to change, chat in
 **Be warned! Labs features are not finalised, they may be fragile, they may change, they may be
 dropped. Ask in the room if you are unclear about any details here.**
 
-## LaTeX math in messages (`feature_latex_maths`)
+## Render LaTeX maths in messages (`feature_latex_maths`)
 
-Enables LaTeX math in messages using [KaTeX](https://katex.org/).
+Enables rendering of LaTeX maths in messages using [KaTeX](https://katex.org/). LaTeX between single dollar-signs is interpreted as inline maths and double dollar-signs as display maths (i.e. centred on its own line).
 
 ## New spinner design (`feature_new_spinner`)
 

webpack.config.js

@@ -41,7 +41,7 @@ module.exports = (env, argv) => {
             "jitsi": "./src/vector/jitsi/index.ts",
             "usercontent": "./node_modules/matrix-react-sdk/src/usercontent/index.js",
 
-            // CSS for math outout
+            // CSS for LaTeX maths outout
             "katex": "./node_modules/matrix-react-sdk/node_modules/katex/dist/katex.min.css",
 
             // CSS themes