Some fixes per Dietrich

Author: Elchi3

features/wasm-bigint.yml

@@ -1,6 +1,6 @@
 name: WebAssembly BigInt to i64 conversion in JS
-description: An extension to the WebAssembly JS API for bidrectionally converting BigInts and 64-bit WebAssembly integer values.
-spec: https://webassembly.github.io/spec/js-api/
+description: An extension to the WebAssembly JS API for bidirectionally converting BigInts and 64-bit WebAssembly integer values.
+spec: https://webassembly.github.io/spec/js-api/#ref-for-syntax-numtype①⓪
 caniuse: wasm-bigint
 compat_features:
   - webassembly.BigInt-to-i64-integration

features/wasm-multi-memory.yml

@@ -1,5 +1,5 @@
 name: WebAssembly multi-memory
-description: An extension to WebAssembly to all the use of multiple memories within a single Wasm module.
+description: An extension to WebAssembly to allow the use of multiple memories within a single Wasm module.
 spec: https://webassembly.github.io/gc/core/bikeshed/
 compat_features:
   - webassembly.multiMemory

features/wasm-mutable-globals.yml

@@ -1,4 +1,4 @@
-name: WebAssembly import & export of mutable globals
+name: WebAssembly import and export of mutable globals
 description: An extension to WebAssembly import and export of mutable global variables.
 spec: https://webassembly.github.io/gc/core/bikeshed/
 caniuse: wasm-mutable-globals

features/wasm.yml

@@ -1,5 +1,5 @@
 name: WebAssembly
-description: WebAssembly or "wasm" is a new portable, size- and load-time-efficient format suitable for compilation to the web.
+description: WebAssembly or "WASM" is a new portable, size- and load-time-efficient binary instruction format suitable for compilation to the web.
 spec: https://webassembly.github.io/gc/core/bikeshed/
 caniuse: wasm
 compat_features: