docs: typo fix, "encoutered" -> "encountered" #2948

Job	Run time
Custom lint	1m 52s
ktlintCheck	2m 13s
Android Lint (orange, Fdroid, Debug)	5m 31s
Android Assemble (orange, Fdroid, Debug)	5m 3s
Android Lint (orange, Fdroid, Release)	5m 14s
Android Assemble (orange, Fdroid, Release)	5m 21s
Test tools	1m 33s
Android Lint (orange, Github, Debug)	5m 22s
Android Test (orange, Fdroid, Debug)	4m 17s
Android Assemble (orange, Github, Debug)	4m 53s
Android Test (orange, Fdroid, Release)	4m 21s
Android Lint (orange, Github, Release)	5m 5s
Android Assemble (orange, Github, Release)	5m 9s
Android Test (orange, Github, Debug)	4m 2s
Android Lint (orange, Google, Debug)	5m 22s
Android Assemble (orange, Google, Debug)	4m 44s
Android Test (orange, Github, Release)	5m 36s
Android Lint (orange, Google, Release)	5m 40s
Android Assemble (orange, Google, Release)	5m 1s
Android Test (orange, Google, Debug)	4m 17s
Android Test (orange, Google, Release)	3m 28s
	1h 34m 4s

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