Fix typo (WEB_CONCCURENCY -> WEB_CONCURRENCY) (#517)

profile/WEB_CONCURRENCY.sh

@@ -29,7 +29,7 @@ detect_memory() {
 warn_bad_web_concurrency() {
   local concurrency=$((MEMORY_AVAILABLE/WEB_MEMORY))
   if [ "$concurrency" -gt "200" ]; then
-    echo "Could not determine a reasonable value for WEB_CONCCURENCY.
+    echo "Could not determine a reasonable value for WEB_CONCURRENCY.
 This is likely due to running the Heroku NodeJS buildpack on a non-Heroku
 platform.
 

test/run

@@ -398,7 +398,7 @@ testConcurrencyCustomLimit() {
 # This happens on Dokku for example
 testConcurrencyTooHigh() {
   LOG_CONCURRENCY=true MEMORY_AVAILABLE=10000000000 capture $(pwd)/profile/WEB_CONCURRENCY.sh
-  assertCaptured "Could not determine a reasonable value for WEB_CONCCURENCY"
+  assertCaptured "Could not determine a reasonable value for WEB_CONCURRENCY"
   assertCaptured "Recommending WEB_CONCURRENCY=1"
   assertCapturedSuccess
 }