diff --git a/aio/src/assets/js/prettify.js b/aio/src/assets/js/prettify.js
index 571df147d4..3b74b5bdaa 100755
--- a/aio/src/assets/js/prettify.js
+++ b/aio/src/assets/js/prettify.js
@@ -38,7 +38,7 @@ S=/^(DIR|FILE|array|vector|(de|priority_)?queue|(forward_)?list|stack|(const_)?(
 /^<!\w[^>]*(?:>|$)/],["com",/^<\!--[\s\S]*?(?:-\->|$)/],["lang-",/^<\?([\s\S]+?)(?:\?>|$)/],["lang-",/^<%([\s\S]+?)(?:%>|$)/],["pun",/^(?:<[%?]|[%?]>)/],["lang-",/^<xmp\b[^>]*>([\s\S]+?)<\/xmp\b[^>]*>/i],["lang-js",/^<script\b[^>]*>([\s\S]*?)(<\/script\b[^>]*>)/i],["lang-css",/^<style\b[^>]*>([\s\S]*?)(<\/style\b[^>]*>)/i],["lang-in.tag",/^(<\/?[a-z][^<>]*>)/i]]),"default-markup htm html mxml xhtml xml xsl".split(" "));t(G([["pln",/^[\s]+/,null," \t\r\n"],["atv",/^(?:\"[^\"]*\"?|\'[^\']*\'?)/,null,
 "\"'"]],[["tag",/^^<\/?[a-z](?:[\w.:-]*\w)?|\/?>$/i],["atn",/^(?!style[\s=]|on)[a-z](?:[\w:-]*\w)?/i],["lang-uq.val",/^=\s*([^>\'\"\s]*(?:[^>\'\"\s\/]|\/(?=\s)))/],["pun",/^[=<>\/]+/],["lang-js",/^on\w+\s*=\s*\"([^\"]+)\"/i],["lang-js",/^on\w+\s*=\s*\'([^\']+)\'/i],["lang-js",/^on\w+\s*=\s*([^\"\'>\s]+)/i],["lang-css",/^style\s*=\s*\"([^\"]+)\"/i],["lang-css",/^style\s*=\s*\'([^\']+)\'/i],["lang-css",/^style\s*=\s*([^\"\'>\s]+)/i]]),["in.tag"]);t(G([],[["atv",/^[\s\S]+/]]),["uq.val"]);t(y({keywords:H,
 hashComments:!0,cStyleComments:!0,types:S}),"c cc cpp cxx cyc m".split(" "));t(y({keywords:"null,true,false"}),["json"]);t(y({keywords:P,hashComments:!0,cStyleComments:!0,verbatimStrings:!0,types:S}),["cs"]);t(y({keywords:O,cStyleComments:!0}),["java"]);t(y({keywords:C,hashComments:!0,multiLineStrings:!0}),["bash","bsh","csh","sh"]);t(y({keywords:Q,hashComments:!0,multiLineStrings:!0,tripleQuotedStrings:!0}),["cv","py","python"]);t(y({keywords:"caller,delete,die,do,dump,elsif,eval,exit,foreach,for,goto,if,import,last,local,my,next,no,our,print,package,redo,require,sub,undef,unless,until,use,wantarray,while,BEGIN,END",
-hashComments:!0,multiLineStrings:!0,regexLiterals:2}),["perl","pl","pm"]);t(y({keywords:R,hashComments:!0,multiLineStrings:!0,regexLiterals:!0}),["rb","ruby"]);t(y({keywords:F,cStyleComments:!0,regexLiterals:!0}),["javascript","js","ts","typescript"]);t(y({keywords:"all,and,by,catch,class,else,extends,false,finally,for,if,in,is,isn't,loop,new,no,not,null,of,off,on,or,return,super,then,throw,true,try,unless,until,when,while,yes",hashComments:3,cStyleComments:!0,multilineStrings:!0,tripleQuotedStrings:!0,
+hashComments:!0,multiLineStrings:!0,regexLiterals:2}),["perl","pl","pm"]);t(y({keywords:R,hashComments:!0,multiLineStrings:!0,regexLiterals:!0}),["rb","ruby"]);t(y({keywords:F,cStyleComments:!0,regexLiterals:!0}),["javascript","js","ts","typescript"]);t(y({keywords:"all,and,by,catch,class,else,extends,false,finally,for,if,in,is,isnt,loop,new,no,not,null,of,off,on,or,return,super,then,throw,true,try,unless,until,when,while,yes",hashComments:3,cStyleComments:!0,multilineStrings:!0,tripleQuotedStrings:!0,
 regexLiterals:!0}),["coffee"]);t(G([],[["str",/^[\s\S]+/]]),["regex"]);var Y=E.PR={createSimpleLexer:G,registerLangHandler:t,sourceDecorator:y,PR_ATTRIB_NAME:"atn",PR_ATTRIB_VALUE:"atv",PR_COMMENT:"com",PR_DECLARATION:"dec",PR_KEYWORD:"kwd",PR_LITERAL:"lit",PR_NOCODE:"nocode",PR_PLAIN:"pln",PR_PUNCTUATION:"pun",PR_SOURCE:"src",PR_STRING:"str",PR_TAG:"tag",PR_TYPE:"typ",prettyPrintOne:E.prettyPrintOne=function(a,d,f){f=f||!1;d=d||null;var b=document.createElement("div");b.innerHTML="<pre>"+a+"</pre>";
 b=b.firstChild;f&&L(b,f,!0);M({j:d,m:f,h:b,l:1,a:null,i:null,c:null,g:null});return b.innerHTML},prettyPrint:E.prettyPrint=function(a,d){function f(){for(var b=E.PR_SHOULD_USE_CONTINUATION?c.now()+250:Infinity;p<t.length&&c.now()<b;p++){for(var d=t[p],l=g,m=d;m=m.previousSibling;){var n=m.nodeType,u=(7===n||8===n)&&m.nodeValue;if(u?!/^\??prettify\b/.test(u):3!==n||/\S/.test(m.nodeValue))break;if(u){l={};u.replace(/\b(\w+)=([\w:.%+-]+)/g,function(a,b,c){l[b]=c});break}}m=d.className;if((l!==g||r.test(m))&&
 !e.test(m)){n=!1;for(u=d.parentNode;u;u=u.parentNode)if(q.test(u.tagName)&&u.className&&r.test(u.className)){n=!0;break}if(!n){d.className+=" prettyprinted";n=l.lang;if(!n){var n=m.match(w),C;!n&&(C=V(d))&&z.test(C.tagName)&&(n=C.className.match(w));n&&(n=n[1])}if(y.test(d.tagName))u=1;else var u=d.currentStyle,x=v.defaultView,u=(u=u?u.whiteSpace:x&&x.getComputedStyle?x.getComputedStyle(d,null).getPropertyValue("white-space"):0)&&"pre"===u.substring(0,3);x=l.linenums;(x="true"===x||+x)||(x=(x=m.match(/\blinenums\b(?::(\d+))?/))?
diff --git a/packages/compiler/src/expression_parser/parser.ts b/packages/compiler/src/expression_parser/parser.ts
index 8fd9349898..d847cfbe39 100644
--- a/packages/compiler/src/expression_parser/parser.ts
+++ b/packages/compiler/src/expression_parser/parser.ts
@@ -670,7 +670,7 @@ export class _ParseAST {
   }
 
   /**
-   * An identifier, a keyword, a string with an optional `-` between.
+   * An identifier, a keyword, a string with an optional `-` in between.
    */
   expectTemplateBindingKey(): string {
     let result = '';