perldiag: typos and slight English improvements

diff --git a/pod/perldiag.pod b/pod/perldiag.pod
index 51ed36a..43f81cd 100644 (file)
--- a/pod/perldiag.pod
+++ b/pod/perldiag.pod
@@ -252,8 +252,8 @@ know which context to supply to the right side.
 
 (W threads)(S) When using threaded Perl, a thread (not necessarily the main
 thread) exited while there were still other threads running.
-Usually it's a good idea to first collect the return values of the
-created threads by joining them, and only then exit from the main
+Usually it's a good idea first to collect the return values of the
+created threads by joining them, and only then to exit from the main
 thread.  See L<threads>.
 
 =item Attempt to access disallowed key '%s' in a restricted hash
@@ -297,7 +297,7 @@ outside any of those arenas.
 
 =item Attempt to free nonexistent shared string
 
-(P internal) Perl maintains a reference counted internal table of
+(P internal) Perl maintains a reference-counted internal table of
 strings to optimize the storage and access of hash keys and other
 strings.  This indicates someone tried to decrement the reference count
 of a string that can no longer be found in the table.
@@ -363,14 +363,14 @@ dereference it first.  See L<perlfunc/substr>.
 
 =item Attribute "locked" is deprecated
 
-(D deprecated) You have used the attributes pragam to modify the "locked"
+(D deprecated) You have used the attributes pragma to modify the "locked"
 attribute on a code reference. The :locked attribute is obsolete, has had no
 effect since 5005 threads were removed, and will be removed in the next major
 release of Perl 5.
 
 =item Attribute "unique" is deprecated
 
-(D deprecated) You have used the attributes pragam to modify the "unique"
+(D deprecated) You have used the attributes pragma to modify the "unique"
 attribute on an array, hash or scalar reference. The :unique attribute has
 had no effect since Perl 5.8.8, and will be removed in the next major
 release of Perl 5.