Translate an '=' to an 'i.e.' in text.

Author: fluca1978

doc/Language/5to6-nutshell.pod6

@@ -922,7 +922,7 @@ then just use C«<->» and explicitly specify C«$_».
 =head4 C<each>
 
 Here is the equivalent to Perl 5’s C<while…each(%hash)> or C<while…each(@array)>
-(= iterating over both the keys or indices and values of a data structure) in
+(i.e., iterating over both the keys/indices and values of a data structure) in
 Perl 6:
 
 =for code :lang<perl5>