* compute invariant or precise values.
*
* The GLSL spec (depending on what version you read) says, among the
- * conditions for geting bit-for-bit the same values on an invariant output:
+ * conditions for getting bit-for-bit the same values on an invariant output:
*
* "All operations in the consuming expressions and any intermediate
* expressions must be the same, with the same order of operands and same