fix(store): fix typo in runtime checks injection token description (#1975)

Closes #1972

Author: John Crowson

modules/store/src/tokens.ts

@@ -73,5 +73,5 @@ export const _USER_RUNTIME_CHECKS = new InjectionToken<RuntimeChecks>(
  * Runtime checks currently in use
  */
 export const _ACTIVE_RUNTIME_CHECKS = new InjectionToken<RuntimeChecks>(
-  '@ngrx/store Internal Runetime Checks'
+  '@ngrx/store Internal Runtime Checks'
 );