CI: caching: fx doc

Author: Anton-Latukha

.github/workflows/caching.yml

@@ -32,14 +32,15 @@ on:
       - master
   schedule:
     # Refresh snapshot every (02+8*x):25 UTC
-    # When cache is present it is a light check workflow with early temination.
+    # When cache is present it is a light check workflow with early termination.
     # When primary cache is not hit - runs the cache generation.
     # Why: GitHub repo has 10G pool & on overflow GitHub removes caches in FIFO manner.
     # When internal branche PRs save into the same pool -
     #   their cache is accessible only inside of the scope of the PR.
     # If main cache is forced out - there are no cache shared between PRs,
     #   which implies all PRs would start to create & save their cache.
-    # Reinstitution of the main chache once a day allows to put it back so it gets shared across all PRs.
+    # Reinstitution of the main chache puts it back into FIFO
+    #   & so it gets shared across all PRs.
     - cron: "25 2/8 * * *"
 
 env: