diff --git a/source/introduction.md b/source/introduction.md index 42bfca8a..0ac2cebf 100644 --- a/source/introduction.md +++ b/source/introduction.md @@ -33,6 +33,6 @@ In the beginning of the game, you are free to choose the place for your new colo **Energy sources** are the main game resource. They can be harvested by worker creeps. The amount of energy in a source is limited, but resumes once in 300 game ticks. -**Spawns** are your colony centers. They can accumulate mined energy and use it to create your units. There may be no more than 3 spawns in a room. Hence, by building 3 spawns in a room you actually conquer it. You can have multiple spawns totally in all your rooms though. +**Spawns** are your colony centers. They can accumulate mined energy and use it to create your units. There may be no more than 3 spawns in a room. You can have multiple spawns totally in all your rooms though. A spawn itself can build only basic units. In order to build more complex ones, you have to construct one or more spawn **extensions**. Read more about that in the next article.