Fix spelling

Merged: https://github.com/ruby/ruby/pull/11882

Merged-By: XrXr

.github/actions/launchable/setup/action.yml

@@ -35,7 +35,7 @@ inputs:
     required: false
     default: ${{ github.workspace }}
     description: >-
-      Directory to (re-)checkout source codes. Launchable retrives the commit information
+      Directory to (re-)checkout source codes. Launchable retrieves the commit information
       from the directory.
 
   launchable-workspace:

doc/date/calendars.rdoc

@@ -18,7 +18,7 @@ The reasons for the difference are religious/political histories.
 - On October 15, 1582, several countries changed
   from the Julian calendar to the Gregorian calendar;
   these included Italy, Poland, Portugal, and Spain.
-  Other contries in the Western world retained the Julian calendar.
+  Other countries in the Western world retained the Julian calendar.
 - On September 14, 1752, most of the British empire
   changed from the Julian calendar to the Gregorian calendar.
 

yjit/src/core.rs

@@ -4014,7 +4014,7 @@ unsafe fn remove_from_graph(blockref: BlockRef) {
 
 /// Tear down a block and deallocate it.
 /// Caller has to ensure that the code tracked by the block is not
-/// running, as running code may hit [branch_stub_hit] who exepcts
+/// running, as running code may hit [branch_stub_hit] who expects
 /// [Branch] to be live.
 ///
 /// We currently ensure this through the `jit_cont` system in cont.c