Fix spellings (#12277) [backport]

lib/deprecated/pure/LockFreeHash.nim

@@ -391,7 +391,7 @@ proc setVal[K, V](table: var PConcTable[K, V], key: int, val: int,
   # Done spinning for a new slot
   var oldVal = atomic_load_n(table[idx].value.addr, ATOMIC_RELAXED)
   if val == oldVal:
-    #echo("this val is alredy in the slot")
+    #echo("this val is already in the slot")
     return oldVal
   nextTable = atomic_load_n(table.next.addr, ATOMIC_SEQ_CST)
   if nextTable == nil and

lib/deprecated/pure/parseopt2.nim

@@ -42,7 +42,7 @@ type
                               ## the option was given a value
 
 proc initOptParser*(cmdline: seq[string]): OptParser {.rtl.} =
-  ## Initalizes option parses with cmdline. cmdline should not contain
+  ## Initializes option parses with cmdline. cmdline should not contain
   ## argument 0 - program name.
   ## If cmdline.len == 0 default to current command line arguments.
   result.remainingShortOptions = ""