docs: Minor updates to Updating to Angular version 9 topic (#35135)
docs: Minor updates to Updating to Angular version 9 topic (#35135)

PR Close #35135

mgechev/angular,gdi2290/angular,Toxicable/angular,gdi2290/angular,blesh/angular,angular/angular,ocombe/angular,brandonroberts/angular,matsko/angular,JiaLiPassion/angular,JiaLiPassion/angular,angular-indonesia/angular,StephenFluin/angular,blesh/angular,shairez/angular,manekinekko/angular,gdi2290/angular,mgechev/angular,matsko/angular,manekinekko/angular,shairez/angular,gkalpak/angular,wKoza/angular,JiaLiPassion/angular,wKoza/angular,brandonroberts/angular,gkalpak/angular,angular-indonesia/angular,manekinekko/angular,matsko/angular,shairez/angular,brandonroberts/angular,gdi2290/angular,ocombe/angular,gkalpak/angular,alxhub/angular,ocombe/angular,angular-indonesia/angular,snaptech/angular,mgechev/angular,mgechev/angular,alxhub/angular,Toxicable/angular,angular/angular,filipesilva/angular,StephenFluin/angular,gnomeontherun/angular,manekinekko/angular,shairez/angular,snaptech/angular,filipesilva/angular,JiaLiPassion/angular,blesh/angular,brandonroberts/angular,snaptech/angular,blesh/angular,snaptech/angular,ocombe/angular,blesh/angular,alxhub/angular,gdi2290/angular,wKoza/angular,alxhub/angular,mgechev/angular,angular-indonesia/angular,ocombe/angular,Toxicable/angular,gnomeontherun/angular,wKoza/angular,IdeaBlade/angular,snaptech/angular,IdeaBlade/angular,manekinekko/angular,filipesilva/angular,Toxicable/angular,angular/angular,wKoza/angular,gnomeontherun/angular,gkalpak/angular,IdeaBlade/angular,ocombe/angular,StephenFluin/angular,manekinekko/angular,Toxicable/angular,IdeaBlade/angular,angular/angular,gnomeontherun/angular,filipesilva/angular,Toxicable/angular,brandonroberts/angular,matsko/angular,filipesilva/angular,alxhub/angular,IdeaBlade/angular,snaptech/angular,gdi2290/angular,wKoza/angular,shairez/angular,StephenFluin/angular,StephenFluin/angular,brandonroberts/angular,matsko/angular