Sync SDL3 header -> wiki

Author: SDLWikiBot

SDL3/SDL_CopyProperties.md

@@ -34,7 +34,7 @@ overwritten.
 
 ## Thread Safety
 
-It is safe to call this function from any thread.  This function acquires
+It is safe to call this function from any thread. This function acquires
 simultaneous mutex locks on both the source and destination property sets.
 
 ## Version

SDL3/SDL_LockProperties.md

@@ -29,8 +29,8 @@ Obtain a multi-threaded lock for these properties. Other threads will wait
 while trying to lock these properties until they are unlocked. Properties
 must be unlocked before they are destroyed.
 
-The lock is automatically taken when getting and setting individual properties; this
-function is only needed when you want to get and/or set several properties atomically
+The lock is automatically taken when setting individual properties, this
+function is only needed when you want to set several properties atomically
 or want to guarantee that properties being queried aren't freed in another
 thread.