Fix crashlytics code docs (#13747)

Author: MojtabaHs

Crashlytics/Crashlytics/Components/FIRCLSApplication.h

@@ -44,7 +44,7 @@ NSString* FIRCLSApplicationGetSDKBundleID(void);
 /**
  * Returns the platform identifier, either: ios, mac, or tvos.
  * Catalyst apps are treated as mac.
- * This is a legacy function, for platform identificaiton please use
+ * This is a legacy function, for platform identification please use
  * FIRCLSApplicationGetFirebasePlatform.
  */
 NSString* FIRCLSApplicationGetPlatform(void);

Crashlytics/Crashlytics/Handlers/FIRCLSException.mm

@@ -110,7 +110,7 @@ void FIRCLSExceptionRecordNSException(NSException *exception) {
   NSString *reason = [exception reason] ?: @"";
 
   // It's tempting to try to make use of callStackSymbols here.  But, the output
-  // of that function is not intended to be machine-readible.  We could parse it,
+  // of that function is not intended to be machine-readable.  We could parse it,
   // but that isn't really worthwhile, considering that address-based symbolication
   // needs to work anyways.