Fix typo

Tristan Carel · web-flow · commit f22cfe10daf9 · 2018-12-18T08:36:03.000+01:00
diff --git a/08-Considering_Performance.md b/08-Considering_Performance.md
@@ -340,5 +340,5 @@ Properly use the already highly optimized components of the vendor provided stan
 
 #### `in_place_t` And Related
 
-Be aware of how to use `in_place_t` and related tags for effecient creation of objects such as `std::tuple`, `std::any` and `std::variant`.
+Be aware of how to use `in_place_t` and related tags for efficient creation of objects such as `std::tuple`, `std::any` and `std::variant`.
 

Original file line number	Diff line number	Diff line change
`@@ -340,5 +340,5 @@ Properly use the already highly optimized components of the vendor provided stan`
`340`	`340`
`341`	`341`	#### `in_place_t` And Related
`342`	`342`
`343`		-Be aware of how to use `in_place_t` and related tags for effecient creation of objects such as `std::tuple`, `std::any` and `std::variant`.
	`343`	+Be aware of how to use `in_place_t` and related tags for efficient creation of objects such as `std::tuple`, `std::any` and `std::variant`.
`344`	`344`